83,130 Free Photos of Us

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3D print of a SARS-CoV-2—also known as 2019-nCoV. 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”.

Laysan Duck pair on Eastern Island on Midway Atoll

Public use cabins

landscape water

Swan Lake public observation tower-3

architecture wildlife

Laysan duck

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 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 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 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

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”.

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Cauliflower coral and Hawaiian Domino Damselfish

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

3D print of a spike protein on the surface of 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”.

contamination cell

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

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”.

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

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

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 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”.

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

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

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

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 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”.

Hiking in a wildflower field

landscape autumn

Debris on Sand Island

Image of a nebula taken using a NASA telescope -

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

bacteria medical

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 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”.

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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”.

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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”.

Banana and lemons

The north side of the White House is seen covered in snow

The Rose Garden of the White House is seen covered in snow

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Child uses hands-on learning tools-2

recreational education

Equipment used in Moist-Soil Marsh Management

agriculture vehicle

US Dollar Bills

Child uses hands-on learning tools-1

recreational education

Child uses hands-on learning tools

recreational education

U.S. Fish and Wildlife Service equipment used for fires at Seney National Wildlife Refuge

Image of a nebula taken using a NASA telescope -

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”.

background science

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

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 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 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 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”.

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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 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 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

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”.

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”.

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

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

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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”.

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”.

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

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 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 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

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 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”.

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”.

3D print of a spike protein on the surface of 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”.

contamination cell

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”.

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 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

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Refuge visitors at Kodiak National Wildlife Refuge

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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

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