4,370 Free Photos of Free Image Image

cdc creative commons awareness creative commons 0 biology contagious bacteria disease contagious disease danger

A scientist examining the results of a hemagglutinin inhibition (HI) test. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

laboratory scientist

A test tube tray containing a number of purple tipped vacutainer tubes. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

laboratory medical

A doctor performing a surgical procedure on a canine patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A scientist testing a sample suspected of containing a bacterial toxin. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

creative commons control

A medical illustration of drug–resistant, Streptococcus pneumoniae bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

electronics bacteria

A woman receiving an influenza vaccination at the Maternal and Child Hospital in Vientiane, Laos. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Healthcare workers donning a pair of protective goggles and protective equipment. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A medical illustration of drug–resistant, Mycoplasma genitalium bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria danger

A medical illustration of drug–resistant, Mycoplasma genitalium bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria danger

A man receiving a dose of the investigational NIAID/GlaxoSmithKline (GSK) Ebola vaccine. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

medicine needle

Magnified respiratory syndrome coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A medical illustration of clindamycin–resistant group B Streptococcus bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria science

A medical illustration of drug–resistant, nontyphoidal, Salmonella sp. bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria danger

Scientist pipetting samples of bronchoalveolar lavage (BAL) fluid. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

scientist science

A medical illustration of vancomycin–resistant, Enterococci sp. bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

electronics bacteria

A doctor administering an intramuscular immunization to a middle–aged woman. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A scientist holding a culture test plate. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

science control

This photo was assembled from three black and white negatives by the Image Processing Lab at Jet Propulsion Laboratory.

The image of beautiful flower and petals

background plants

An Image of Japanese Pot Dish

vegetables food

Transmission electron microscopic (TEM) image, revealed ultrastructural details exhibited by numerous, Coxiella burnetii bacteria, which cause the worldwide disease known, as Q fever. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria science

Influenza virus illustration in semi- transparent blue. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria circle

Lab technician adding a solution to an Enzyme–Linked Immunosorbent Assay (ELISA) plate Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A healthcare worker donning a pair of protective goggles and protective equipment. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

$Nurse wearing green latex gloves to protect herself. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.$

bacteria medical

Woman using a damp sponge to clean dust collected on a window sill. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Grandmother properly cleaning fresh, uncooked produce under a running tap. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Influenza virus experimentation with eggs. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A 1000X photomicrograph magnification of numerous, rod-shaped, Gram–negative, Yersinia pestis bacilli. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria danger

A healthcare worker investigating mold presence inside a home that had been flooded by Hurricane Katrina. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Raccoon, Procyon lotor, a vector in the transmission of rabies to humans and other animals. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

wildlife animals

A healthcare practitioner administering the H1N1 live attenuated intranasal vaccine (LAIV) to a female recipient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A scientist holding up a glass slide used for a run on a sequencing machine. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

scientist control

A scientist preparing samples for mass spectrometry in order to determine the presence of a bacterial toxin. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

control disease

A clinician in the process of conducting a blood pressure examination. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A medical illustration of vancomycin–resistant, Enterococci sp. bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

electronics bacteria

American bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M. Highsmith’s America, Library of Congress collection.

wildlife animals

Fundoscopic view of the right eye, it's optic nerve and blood vessels supplying the retina. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Influenza virus illustration in semi–transparent blue. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A scientist adding a stool sample to the cell culture medium, along with glass beads. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

laboratory scientist

A right lateral chest x-ray of normal, healthy thoracic and pulmonary conditions. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Healthcare workers assuring each other’s personal protective equipment PPE had been properly secured. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A 3D illustration provides a graphical representation of a single norovirus virion, set against a white background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

electronics bacteria

A photomicrograph reveals numerous Gram–negative, Francisella tularensis coccobacilli, the bacterium responsible for causing the disease, tularemia. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

electronics bacteria

A medical illustration of Clostridioides difficile bacteria, formerly known as Clostridium difficile. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria danger

A photomicrograph of a direct fluorescent antibody (DFA)–stained specimen, revealing the presence of numerous Francisella tularensis coccobacilli. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

electronics bacteria

A scientist using a whole genome DNA sequencer, in order to determine the “DNA fingerprint” of a specific bacterium. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

control biology

An example of acute necrotizing ulcerative gingivitis, also known as trench mouth. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

medical illness

Raccoon, Procyon lotor, a vector in the transmission of rabies to humans and other animals. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animals mammals

A 1125X photomicrograph magnification of a Giemsa stained, thin film blood smear, revealed a mature, Plasmodium malariae schizont. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria biology

Penned cattle undergoing an inspection for signs of central nervous system disorders. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Novel Coronavirus SARS-CoV-2–This transmission electron microscope image shows SARS-CoV-2, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

Laboratory technician working with a cell culture solution, using a syringe to add some of the sample to a glass bottle. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria science

The normal right eye of a boy whose left eye was inadvertently inoculated with vaccinia virus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A female, Aedes aegypti mosquito obtaining a blood meal from a human host. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animals insects

A 3D graphical representation of a number of Rotavirus virions, set against a black background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A 3D illustration provides a graphical representation of a single norovirus virion, set against a beige background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria science

CDC’s Atlanta Quarantine Station staff working with public health partners Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A scientist demonstrating a lab technique called “candling,” which determines if the egg is suitable for use in growing flu viruses. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A left lateral view of a common bed bug, Cimex lectularius. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animals insects

A scientist studying new methods for detecting foodborne bacteria directly from a patient sample. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

control disease

Ultrastructural morphology exhibited by coronaviruses similar to COVID-19 which became pandemic. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

coronavirus background

A 3D graphic representation of a spherical-shaped, measles virus particle, that was studded with glycoprotein tubercles. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria health

Two chest x-rays in the case of a child with a case of mycoplasma pneumonia. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

laboratory chest

An adult bedbug, Cimex lectularius ingestinging a blood meal. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animals insects

Scientists using automated methods to extract bacterial DNA, for use in whole genome sequencing (WGS). Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

laboratory scientist

A 3D graphical representation of a number of norovirus virions, set against a black background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria danger

A dorsal view of a highly toxic black scorpion, Tityus trinitatis, which is native to Trinidad. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animals insects

A scientist studying new methods for detecting foodborne bacteria directly from a patient sample. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

scientist control

A technician placing the repackaged influenza samples into a cold–storage environment within the laboratory setting. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A beautiful pile of tree tomatoes in one of the vender’s stalls. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A medical illustration of Clostridioides difficile bacteria, formerly known as Clostridium difficile. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria danger

Murals, Louisville Murals-Rural Free Delivery, by Frank Weathers Long at the Gene Snyder U.S Courthouse & Custom House, Louisville, Kentucky (2011) by Carol M. Highsmith. Original image from Library of Congress.

countries horses

An Image of Foliage Plant

This image is an unannotated version of NASA's Photojournal Home Page graphic released in October 2007.

An electron microscopic (SEM) image, depicts a blue-colored, human white blood cell, (WBC) known specifically as a neutrophil, interacting with two pink-colored, rod shaped, multidrug–resistant (MDR), Klebsiella pneumoniae bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

$A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.$

bacteria cleaning

$A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.$

bacteria cleaning

Closeup process of ingesting a blood meal from the arm of a voluntary human host. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A 1125X photomicrograph magnification of Giemsa stained blood smear, revealed a number of Plasmodium falciparum parasites, in the form of gametocytes, and ring-form trophozoites. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria biology

A 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the presence of cytoarchitectural changes indicative of fatty degeneration. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

electronics bacteria

Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

background science

Novel Coronavirus SARS-CoV-2–This transmission electron microscope image shows SARS-CoV-2, the virus that causes COVID-19, Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

contamination cell

Female clinician in the process of conducting a blood pressure examination on a patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

health care doctor

The blacklegged ticks, Ixodes pacificus known for the zoonotic spirochetal bacteria, Borrelia burgdorferi. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animals insects

A medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the presence of cytoarchitectural changes indicative of fatty degeneration. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

laboratory bacteria

A petri dish culture plate contained a growth medium of sheep blood agar (SBA), which was inoculated with Bacillus anthracis bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria science

A 100X photomicrograph magnification of photomicrograph of a hematoxylin and eosin (H&E) stained liver tissue specimen, revealed the presence of histopathologic changes indicative of fatty degeneration. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria science

A horde of unidentified bats, an animal know to be a possible carrier of the rabies virus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

The first flag flew over Centers for Disease Control and Prevention (CDC) Headquarters in downtown Atlanta, Georgia. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A close left lateral view of a female Oriental rat flea, Xenopsylla cheopis that transmit the bacterium Yersinia pestis, the causative agent of plague. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Novel Coronavirus SARS-CoV-2–
This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

microscope health

Novel Coronavirus SARS-CoV-2–This transmission electron microscope image shows SARS-CoV-2, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

microscope cell

A Petri dish culture plate, which had contained a growth medium of sheep blood agar (SBA), and which was inoculated with Gram–positive, Burkholderia pseudomallei bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A female, Aedes aegypti mosquito obtaining a blood meal from a human host. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animals insects

A 100X photomicrograph magnification of a malachite green spore stained sample, revealed the presence of numerous Bacillus sp. bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria biology

101 - 200 of 4,370 Next page

/ 44