83,130 Free Photos of Useful

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Public use surf fishing

US Navy fighters

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MERS Coronavirus Particles–Colorized transmission electron micrograph showing particles of the Middle East respiratory syndrome coronavirus that emerged in 2012. 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–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. 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

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. 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

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

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

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. 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”.

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

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 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 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

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

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”.

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. 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 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”.

Steps down to the day use area in the fall at Crater Lake

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Ten Thousand US Dollars

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 1950s historical photograph of the inside of an operating room suite during a surgical procedure. 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

An Armed Forces of Liberia engineer cutting wood braces for the Tubmanburg Ebola treatment unit (ETU). 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 still life of castor bean, Ricinus communis containing the water soluble, highly toxic poison known as ricin. 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”.

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 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 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”.

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. 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”.

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Visitor paying fee at fee station-1

Plaza de Armas in Santiago, Chile

sculpture monument

Sea and landscape off the coast in Papa New Guinea with US Transport ship

landscape water

Spinner dolphins

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

bacteria cleaning

A field epidemiologist performing a mouth swab inside the beak of a white duck, in order to carry out an infectious disease investigation. 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 control

Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (blue) infected with SARS-COV-2 virus particles (red), isolated from a patient sample. 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

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

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. 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–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. 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”.

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

Two people in living room with coffee

Banana

Scenic view of beautiful Kodiak National Wildlife Refuge

landscape nature

US Army soldiers from the 11th Air Defense Artillery Brigade during the Gulf War

Macro, Used, Old

Black coffee and coffee filters with coffee ground

Blackwater National Wildlife Refuge Visitor Center

Short-tailed Albatross and Laysan Albatross chicks with decoys

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”.

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 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 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

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

medicine science

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

This enhanced color view of Jupiter's south pole was created using data from the JunoCam instrument on NASA's Juno spacecraft.

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Rusted, Used, Old

Microbiologist preparing for antibody testing. 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”.

medicine science

The 1950s historical photograph of an extreme air pollution event at Salt Lake City, Utah. 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”.

vintage streets

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

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

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

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”.

MERS Coronavirus Particles–Colorized scanning electron micrograph of Marburg virus particles (blue) both budding and attached to the surface of infected VERO E6 cells (yellow). 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”.

MERS Coronavirus Particles–Colorized scanning electron micrograph of MERS virus particles (yellow) both budding and attached to the surface of infected VERO E6 cells (blue). 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 blue

The 1950s historical photograph of a nurse taking her blood pressure of a woman ordnance worker in the hospital. 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”.

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bulk photo retouching and clipping path service at a lower cost.

Black coffee and coffee filters with coffee ground in livingroom

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

A 125X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained lung tissue specimen, revealed the presence of cytoarchitectural changes indicative of a blastomycosis fungal infection. 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 purple

MERS Coronavirus Particles–Colorized scanning electron micrograph of Middle East Respiratory Syndrome virus particles attached to the surface of an infected VERO E6 cell. 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”.

Transmission electron microscopic (TEM) image highlights the particle envelope of a single, spherical shaped, Middle East respiratory syndrome coronavirus (MERS-CoV) virion. 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”.

background 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 Petri dish culture plate containing a growth medium of Sabouraud dextrose agar, which had been inoculated with the fungal organism from the genus, Syncephalastrum, strain A-423. 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

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”.

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

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”.

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. 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”.

Rosenheim, Germany, Used

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Refuge visitor at sunset

Blackwater National Wildlife Refuge Visitor Center-1

House, Object, Daily use

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wooden kitchen tool for meat

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woman's hand holding and pouring coffee into cup

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Endangered Green sea turtles

Yakama tribal members using a pulley system to transport salmon-1

Meat wood hammer

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Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (green) infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. 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”.

underwater blue

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

laboratory medicine

U.S. Fish and Wildlife Service volunteer using radiotelemetry

volunteer vehicle

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