109,873 Free Images of Useful

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Juvenile Red-footed booby

Image of a nebula taken using a NASA telescope -

astronomy clouds

Photomicrograph of a brain tissue specimen. 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

Firewoman extinguishing trees in forest. 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, 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”.

bacteria science

N95 type face masks or respirators. 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 infant diagnosed with having a Guinea worm disease (GWD). 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 technician working with electronic cigarettes. 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

Man evaluating mosquito nets to prevent Malaria. 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”.

Image of a nebula taken using a NASA telescope -

astronomy galaxy

Front door to visitor center

Using mobile

technology water

Playing Card Used in Magic Tricks

playing cards magic

Tympanum central mosaic santa Maria del Fiore Florence

self-published work pages with maps

Laysan duck

Banding a Laysan duck during translocation project

Howland Islands refuge coastline and waves

Bridge City

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

A 3D image of a group of Gram–positive, Corynebacterium diphtheriae, 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”.

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 3D image of a group of anaerobic, spore-forming, Clostridium sp. organisms. 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

Hand Holding a Smartphone on Facebook

electronics technology

(James) Businessman is Using His Tablet

Ultrastructural morphology shown by 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”.

background science

Rabbits using an umbrella

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

Juvenile Red-footed booby-2

Blackwater NWR map with visitor

Image of a nebula taken using a NASA telescope -

background space

US Navy hovercraft carries vehicles and Marines

Border Patrol Agents conduct operations

security border

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

U.S. Marine with the Maritime Raid Force

Always Ready - US Flag

logo templates army

Child uses hands-on learning tool

recreational education

US. Navy Landing Craft Air Cushion

US Great Seal Charles Thomson Preliminary Design, 1782

proposed great seals of arms of the united states e pluribus unum

Endangered Hawaiian monk seal and Laysan albatross

Equipment used in Moist-Soil Marsh Management

agriculture vehicle

Us dollars

background business

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

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”.

microscope cell

A doctor placing a bandage on the injection site of 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”.

A man cleaning window. 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

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 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 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

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

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

North Frazer Lake public use cabin

Banana and lemons

Hunter with backpack

landscape hunting

Coral reef with trigger fish

Wildlife viewing from refuge bridge

Convict tangs

Medical instruments used by USFWS fisheries crew-1

Man using mobile phone

Woman Using Face Wash

Us coast guard, Coast gaurd, Us military

us coast guard military

Contact us communication support

(Belinda) Woman is Using a Camera

(Betty) Woman Is Using an Exercise Ball

dollar

Dollar

dollar

Dollar

dollar

dollar

Visitor paying fee at fee station-5

Refuge visitors at Kodiak National Wildlife Refuge

Hiking in a wildflower field

landscape autumn

Image of a nebula taken using a NASA telescope -

astronomy cosmic

US Dollars

background business

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

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”.

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