Masks worn during experiments with plague. Manila, Philippines (1912). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298618/free-photo-image-vintage-covid-peopleFree Image from public domain licenseUltrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282536/free-photo-image-covid-science-virusFree Image from public domain licenseThe American Soldiers in Presence of Gas during World War I (1918). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298627/free-photo-image-vintage-people-covidFree Image from public domain licenseUltrastructural morphology exhibited by coronaviruses similar to COVID-19 which became pandemic. https://www.rawpixel.com/image/2282543/free-photo-image-covid-virus-coronavirusFree Image from public domain licenseWomen wearing surgical masks during the influenza epidemic, Brisbane (1919). Original image from State Library of… https://www.rawpixel.com/image/2298584/free-photo-image-vintage-black-and-white-covidFree Image from public domain licenseThe American Soldiers in Presence of Gas suring World War I (1918). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298583/free-photo-image-war-vintage-soldierFree Image from public domain licenseEmergency hospital during influenza epidemic, Camp Funston, Kansas (1918). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298586/free-photo-image-spanish-flu-pandemic-covidFree Image from public domain licenseSt. Louis Red Cross Motor Corps on duty during influenza epidemic (1918). Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2301122/free-photo-image-vintage-spanish-flu-womanFree Image from public domain licenseScientist removes cell growth medium from a 6–well plate in preparation for a plaque assay, which is a test that… https://www.rawpixel.com/image/2282542/free-photo-image-laboratory-medicine-researchFree Image from public domain licenseA medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government… https://www.rawpixel.com/image/2288553/free-photo-image-bacteria-virus-biologyFree Image from public domain licenseChest x-ray of a patient with mycoplasma pneumonia. Original image sourced from US Government department: Public Health… https://www.rawpixel.com/image/2288354/free-photo-image-ray-medical-sickFree Image from public domain licenseScientist testing with coronavirus through test tubes. Original image sourced from US Government department: Public Health… https://www.rawpixel.com/image/2282535/free-photo-image-laboratory-science-bacteriaFree Image from public domain licenseVolunteer nurses from The American red cross during flu epidemic (1918). Original image from Oakland Public Library.… https://www.rawpixel.com/image/2298625/free-photo-image-covid-pandemic-blackFree Image from public domain licenseLab technician adding a solution to an Enzyme–Linked Immunosorbent Assay (ELISA) plate Original image sourced from US… https://www.rawpixel.com/image/2288391/free-photo-image-laboratory-medical-healthFree Image from public domain licenseAmerican Red Cross canteen workers taking food for family infected with the flu, Charlotte, North Carolina (1918). Original… https://www.rawpixel.com/image/2301114/free-photo-image-vintage-virus-foodFree Image from public domain licenseSandia biochemist and virologist are conducting research using CRISPR-based technology to genetically engineer a deployable… https://www.rawpixel.com/image/3322298/free-photo-image-covid-virus-dna-scienceFree Image from public domain licenseChest X–ray of patient with influenza during World War I. Original image from National Museum of Health and Medicine.… https://www.rawpixel.com/image/2298602/free-photo-image-xray-vintage-black-and-whiteFree Image from public domain licenseNovel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as… https://www.rawpixel.com/image/2294163/free-photo-image-virus-microbiology-scienceFree Image from public domain licenseWalter Reed Hospital flu ward (ca. 1910–1920). Original from Library of Congress. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2301131/free-photo-image-spanish-flu-nurse-1918Free Image from public domain licenseA 3D graphic representation of a spherical-shaped, measles virus particle, that was studded with glycoprotein tubercles. https://www.rawpixel.com/image/2288308/free-photo-image-measles-virus-healthFree Image from public domain licenseA worker wearing a protective mask and suit. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2288458/free-photo-image-cleaning-clean-sprayFree Image from public domain licenseMERS Coronavirus Particle–Middle East Respiratory Syndrome Coronavirus particle envelope proteins immunolabeled with… https://www.rawpixel.com/image/2294161/free-photo-image-covid-virus-scienceFree Image from public domain licenseMERS Coronavirus Particles–Colorized transmission electron micrograph showing particles of the Middle East respiratory… https://www.rawpixel.com/image/2294178/free-photo-image-virus-covid-19-covidFree Image from public domain licenseAn electron microscopic (SEM) image, depicts a blue-colored, human white blood cell, (WBC) known specifically as a… https://www.rawpixel.com/image/2288485/free-photo-image-blood-cells-bacteriaFree Image from public domain licenseFour test tubes of bacterial microorganism. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2288552/free-photo-image-laboratory-test-tube-science-labFree Image from public domain licenseScientist testing with virus through test tubes. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282498/free-photo-image-science-laboratory-hospitalFree Image from public domain licenseInterior of a hospital ward at the Base Hospital, Camp Jackson, South Carolina, during the influenza epidemic (1918).… https://www.rawpixel.com/image/2298592/free-photo-image-pandemic-covid-interiorFree Image from public domain licenseNovel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (blue) infected with SARS-COV… https://www.rawpixel.com/image/2294134/free-photo-image-covid-virus-scienceFree Image from public domain licenseA 3D graphical representation of a number of Rotavirus virions, set against a black background. https://www.rawpixel.com/image/2288315/free-photo-image-virus-public-domain-bacteriaFree Image from public domain licenseHealthcare workers donning a pair of protective goggles and protective equipment. Original image sourced from US Government… https://www.rawpixel.com/image/2288386/free-photo-image-safety-pandemic-workerFree Image from public domain licenseTest Tubes from experimenting on coronavirus. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282507/free-photo-image-science-vaccine-laboratoryFree Image from public domain licenseUltrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282549/free-photo-image-virus-covid-scienceFree Image from public domain licenseA medical illustration of drug–resistant, Streptococcus pneumoniae bacteria. Original image sourced from US Government… https://www.rawpixel.com/image/2288648/free-photo-image-biology-science-laboratoryFree Image from public domain licenseA healthcare worker assessing a sick traveler at the airport. Original image sourced from US Government department: Public… https://www.rawpixel.com/image/2288329/free-photo-image-covid-airport-healthcareFree Image from public domain licenseA photomicrograph of Candida albicans fungal spores. Original image sourced from US Government department: Public Health… https://www.rawpixel.com/image/2288324/free-photo-image-bacteria-cdc-microscopeFree Image from public domain licenseA woman receiving an influenza vaccination at the Maternal and Child Hospital in Vientiane, Laos. Original image sourced… https://www.rawpixel.com/image/2282528/free-photo-image-vaccine-people-injectionFree Image from public domain licenseThe blacklegged ticks, Ixodes pacificus known for the zoonotic spirochetal bacteria, Borrelia burgdorferi. https://www.rawpixel.com/image/2288467/free-photo-image-tick-insect-animalFree Image from public domain licenseA female, Aedes aegypti mosquito obtaining a blood meal from a human host. Original image sourced from US Government… https://www.rawpixel.com/image/2288443/free-photo-image-mosquito-aedes-aegypti-vectorFree Image from public domain licenseA healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her… https://www.rawpixel.com/image/2282424/free-photo-image-nurse-disposable-gloves-medicalFree Image from public domain licenseNew Jersey Air National Guard medics with the 108th Wing process specimens at a COVID-19 Community-Based Testing Site at the… https://www.rawpixel.com/image/3578269/free-photo-image-nurse-doctor-covid-19Free Image from public domain licenseFrom research to community support, Oak Ridge National Laboratory enlists world-class science and staff in the fight against… https://www.rawpixel.com/image/3584196/free-photo-image-covid-virus-cc0Free Image from public domain licenseFirewoman extinguishing trees in forest. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2282497/free-photo-image-firefighter-portrait-emergencyFree Image from public domain licenseMedical staff collect samples from a patient at a COVID-19 Community-Based Testing Site at the PNC Bank Arts Center in… https://www.rawpixel.com/image/3578285/free-photo-image-covid-face-woman-face-covid-19Free Image from public domain licenseA scientist holding a culture test plate. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2288623/free-photo-image-lab-medical-scienceFree Image from public domain licenseA U.S. Air Force Airman with the 108th Wing, New Jersey Air National Guard, prepares to swab the nose of a New Jersey… https://www.rawpixel.com/image/4031770/photo-image-face-mask-coronavirusFree Image from public domain licenseMedical technician adjusts her gloves at a COVID-19 Community-Based Testing Site. Original public domain image from Flickr https://www.rawpixel.com/image/3578807/free-photo-image-doctor-adjust-americaFree Image from public domain licenseA U.S. Air Force Airman with the 108th Wing, New Jersey Air National Guard, holds nasal swab and vial during COVID-19 RT-PCR… https://www.rawpixel.com/image/4031778/photo-image-face-mask-coronavirusFree Image from public domain licenseMan wearing a mask during the COVID-19 pandemic has his temperature checked. Original public domain image from Flickr https://www.rawpixel.com/image/3388175/free-photo-image-covid-body-temperature-white-hairFree Image from public domain licenseStay Safe Coronavirus background, free public domain CC0 photo. https://www.rawpixel.com/image/5926013/photo-image-background-aesthetic-public-domainFree Image from public domain licenseA U.S. Air Force Airman with the 108th Wing, New Jersey Air National Guard. Original public domain image from Flickr https://www.rawpixel.com/image/4031976/photo-image-covid-hand-peopleFree Image from public domain licenseN95 type face masks or respirators. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2288512/free-photo-image-mask-face-coronavirusFree Image from public domain licenseWhite coronavirus under a Microscope. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2282546/free-photo-image-cell-science-virusFree Image from public domain licenseOne of the wards for medical cases at Base Hospital, Dijon, France (1919). Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2301121/free-photo-image-spanish-flu-history-pandemicFree Image from public domain licenseVolunteer caregivers from The American red cross during flu epidemic (1918). Original image from Oakland Public Library.… https://www.rawpixel.com/image/2298582/free-photo-image-pandemic-vintage-influenzaFree Image from public domain licenseAmerican Red Cross canteen staff (1919). Original from Library of Congress. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2301129/free-photo-image-women-nurse-spanish-fluFree Image from public domain licenseTransmission electron microscopic (TEM) image highlights the particle envelope of a single, spherical shaped, Middle East… https://www.rawpixel.com/image/2288502/free-photo-image-bacteria-virus-scienceFree Image from public domain licenseMicroscopic mold. Original image sourced from US Government department: Public Health Image Library, Centers for Disease… https://www.rawpixel.com/image/2282521/free-photo-image-mold-bacteria-cdcFree Image from public domain licenseA scientist implementing molecular testing. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2288359/free-photo-image-laboratory-science-scientistFree Image from public domain licenseA scientist holding bacterial samples for their antimicrobial susceptibility. Original image sourced from US Government… https://www.rawpixel.com/image/2288634/free-photo-image-laboratory-science-scientistFree Image from public domain licenseInterior of Red Cross House at U.S. General Hospital during influenza epidemic, New Heaven, Connecticut (ca. 1918). Original… https://www.rawpixel.com/image/2301123/free-photo-image-spanish-flu-plague-covidFree Image from public domain licenseNurse wearing green latex gloves to protect herself. Original image sourced from US Government department: Public Health… https://www.rawpixel.com/image/2282397/free-photo-image-medical-nurse-hospitalFree Image from public domain licenseGreen coronavirus under a microscope. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2282449/free-photo-image-virus-science-greenFree Image from public domain licenseA Petri dish culture plate, which had contained a growth medium of sheep blood agar (SBA), and which was inoculated with… https://www.rawpixel.com/image/2288447/free-photo-image-laboratory-bacteria-petri-dish-bloodFree Image from public domain licenseGroup A Streptococcus (GAS), Streptococcus pyogenes bacteria, which were atop the surface of a human white blood cell (WBC)… https://www.rawpixel.com/image/2288304/free-photo-image-blood-cells-white-cell-streptococcusFree Image from public domain licenseSurgical nurse, Herrin Hospital (private), Herrin, Illinois (1939). Original from Library of Congress. Digitally enhanced by… https://www.rawpixel.com/image/2301133/free-photo-image-spanish-flu-hospital-nurseFree Image from public domain licenseNovel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (blue) heavily infected with… https://www.rawpixel.com/image/2294137/free-photo-image-science-covid-19-covidFree Image from public domain licenseFemale clinician in the process of conducting a blood pressure examination on a patient. Original image sourced from US… https://www.rawpixel.com/image/2282740/free-photo-image-blood-pressure-doctorFree Image from public domain licenseHealth officials inspecting specimens suspected of being connected to a hantavirus outbreak. https://www.rawpixel.com/image/2288473/free-photo-image-scientist-pandemic-laboratoryFree Image from public domain licenseScientist testing with virus through test tubes. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282492/free-photo-image-laboratory-medical-hospitalFree Image from public domain licenseA 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the… https://www.rawpixel.com/image/2288342/free-photo-image-liver-biology-microscopeFree Image from public domain licenseThe process of demonstrating how to properly secure a face mask. Original image sourced from US Government department:… https://www.rawpixel.com/image/2288632/free-photo-image-covid-quarantine-pandemicFree Image from public domain licenseTest Tubes from experimenting on coronavirus. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282515/free-photo-image-vaccine-laboratory-covidFree Image from public domain licenseAn infant in a hospital with measles (rubeola). Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2288302/free-photo-image-measles-baby-rashFree Image from public domain licenseLaboratory technician working with a cell culture solution, using a syringe to add some of the sample to a glass bottle. https://www.rawpixel.com/image/2282489/free-photo-image-laboratory-technician-medicalFree Image from public domain licenseA medical illustration of drug–resistant, Mycoplasma genitalium bacteria. Original image sourced from US Government… https://www.rawpixel.com/image/2288643/free-photo-image-laboratory-microscope-scienceFree Image from public domain licenseA 3D illustration provides a graphical representation of a single norovirus virion, set against a beige background. https://www.rawpixel.com/image/2288351/free-photo-image-virus-laboratory-biologyFree Image from public domain licenseA scientist implementing molecular testing. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2288364/free-photo-image-scientist-lab-laboratory-scienceFree Image from public domain licenseBarracks used as wards during influenza epidemic at Wilbur Wright Aviation Field (1918). Original image from National Museum… https://www.rawpixel.com/image/2298580/free-photo-image-infection-old-photography-whiteFree Image from public domain license3D print of a SARS-CoV-2—also known as 2019-nCoV. Original image sourced from US Government department: The National… https://www.rawpixel.com/image/2294192/free-photo-image-printing-covid-virusFree Image from public domain licenseNovel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of a VERO E6 cell (blue) heavily infected with… https://www.rawpixel.com/image/2294147/free-photo-image-science-virus-backgroundFree Image from public domain licenseEmergency hospital wards during Influenza Epidemic (1918). Original image from National Museum of Health and Medicine.… https://www.rawpixel.com/image/2298610/free-photo-image-pandemic-plague-influenzaFree Image from public domain licenseBase Hospital 37, Dartford, England with tent during influenza epidemic. Original image from National Museum of Health and… https://www.rawpixel.com/image/2298604/free-photo-image-tent-black-and-white-vintage-photographyFree Image from public domain licenseA scientist examining the results of a hemagglutinin inhibition (HI) test. Original image sourced from US Government… https://www.rawpixel.com/image/2288621/free-photo-image-bioengineering-scientist-bioFree Image from public domain licenseA left lateral view of a female, Aedes aegypti mosquito obtaining a blood meal from a human host. https://www.rawpixel.com/image/2288492/free-photo-image-mosquito-blood-vectorFree Image from public domain licenseA man cleaning window. Original image sourced from US Government department: Public Health Image Library, Centers for… https://www.rawpixel.com/image/2288493/free-photo-image-cleaning-house-manFree Image from public domain licenseNovel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient.… https://www.rawpixel.com/image/2294153/free-photo-image-cell-science-virusFree Image from public domain licenseInfluenza virus illustration in semi- transparent blue. Original image sourced from US Government department: Public Health… https://www.rawpixel.com/image/2282523/free-photo-image-micro-bacteria-influenza-virus-cdcFree Image from public domain licenseNovel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient.… https://www.rawpixel.com/image/2294166/free-photo-image-virus-science-public-domainFree Image from public domain licenseMERS Coronavirus Particles–MERS-CoV particles on camel epithelial cells. Original image sourced from US Government… https://www.rawpixel.com/image/2294189/free-photo-image-science-microscope-backgroundFree Image from public domain licenseMedical technicians work with patients at a COVID-19 Community-Based Testing Site at the PNC Bank Arts Center in Holmdel… https://www.rawpixel.com/image/3578271/free-photo-image-corona-doctor-air-national-guard-airmenFree Image from public domain license