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 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 licenseClinical photograph of a cyst of conjunctiva. Original image from National Museum of Health and Medicine. Digitally enhanced… https://www.rawpixel.com/image/2298608/free-photo-image-eye-vintage-blackFree 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 licenseMap showing admission rates for measles by state, per 1000 per annum of white enlisted men in the United States from April… https://www.rawpixel.com/image/2298579/free-photo-image-map-united-states-americaFree Image from public domain licenseWatercolor painting of mustard gas burns (1918) by Sgt. E.R. Brainard. Original image from National Museum of Health and… https://www.rawpixel.com/image/2298616/free-photo-image-art-vintage-watercolorFree Image from public domain licenseInfantry combat scene in Bougainville, France (1914). Original image from National Museum of Health and Medicine. Digitally… https://www.rawpixel.com/image/2298620/free-photo-image-war-vintage-soldierFree 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 licenseC–46 air evacuation during World War II from Manila, Philippine Islands. Patients in bunks in a plane. Nurse in… https://www.rawpixel.com/image/2298594/free-photo-image-world-war-vintage-peopleFree 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 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 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 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 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 licenseA cross section of a slide of unidentified tissue. Original image from National Museum of Health and Medicine. Digitally… https://www.rawpixel.com/image/2298621/free-photo-image-vintage-anatomy-humanFree 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 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 licenseAn x–ray of an ununited anconeal process (UAP) in a dog. UAP is a genetic disease of the canine elbow and commonly… https://www.rawpixel.com/image/2298619/free-photo-image-vintage-xray-photosFree Image from public domain licenseMedic giving first aid to soldier in Belgium, World War II. Original image from National Museum of Health and Medicine.… https://www.rawpixel.com/image/2298617/free-photo-image-war-pandemic-soldierFree 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 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 licenseHistorical photograph of a field hospital during the Spanish Flu Pandemic in Europe https://www.rawpixel.com/image/2302009/free-photo-image-hospital-doctor-vintageView licenseHistorical photograph from the Spanish flu pandemic in Europe faded background https://www.rawpixel.com/image/2301891/free-photo-image-spanish-influenza-plague-coronavirusView 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 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 licenseSoldiers doing calisthenics, Camp Roberts, California (1942). Original image from National Museum of Health and Medicine.… https://www.rawpixel.com/image/2298589/free-photo-image-vintage-black-and-white-healthFree 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 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 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 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 licenseVintage protective suits from the Spanish flu pandemic background https://www.rawpixel.com/image/2302001/free-photo-image-retro-spanish-flu-vintageView 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 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 licenseOperation during the Korean War with the 11th Evacuation Hospital (ca. 1950–1954). Original image from National Museum… https://www.rawpixel.com/image/2298622/free-photo-image-doctor-surgery-warFree 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 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 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 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 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 licenseA scientist adding a stool sample to the cell culture medium, along with glass beads. Original image sourced from US… https://www.rawpixel.com/image/2288333/free-photo-image-laboratory-medical-science-scientistFree Image from public domain licenseInterior wards of the emergency hospital at Camp Jackson, South Carolina during the influenza epidemic (1918). Original… https://www.rawpixel.com/image/2298597/free-photo-image-interior-hospital-campFree Image from public domain licenseThree test tubes used in a Legionella pneumophila bacteria detection test. Original image sourced from US Government… https://www.rawpixel.com/image/2288395/free-photo-image-laboratory-photography-legionellaFree 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/2282438/free-photo-image-cleaning-hospital-awareness-bacteriaFree Image from public domain licensePrototype Antiviral Vaccine to Prevent Epstein-Barr Virus-Associated Tumors. Original public domain image from Flickr https://www.rawpixel.com/image/9646944/image-background-person-medicineFree Image from public domain licenseHistorical photograph of a field hospital during the Spanish Flu Pandemic in Europe https://www.rawpixel.com/image/2301867/free-photo-image-vintage-doctor-influenzaView licenseHistorical photograph from the Spanish flu pandemic in Europe faded background https://www.rawpixel.com/image/2301949/free-photo-image-spanish-flu-society-vintage-medicalView licenseOperation at Provident Hospital on South Side of Chicago, Illinois (1941). Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2301130/free-photo-image-surgery-doctor-spanish-fluFree Image from public domain licenseTwo chest x-rays in the case of a child with a case of mycoplasma pneumonia. Original image sourced from US Government… https://www.rawpixel.com/image/2288367/free-photo-image-ray-pneumonia-public-domainFree Image from public domain licenseCarpenter and construction worker from Georgia who is recovering from flu (1940). Original from Library of Congress.… https://www.rawpixel.com/image/2301134/free-photo-image-sleep-black-and-white-vintage-photosFree Image from public domain licenseHealthcare workers assuring each other’s personal protective equipment PPE had been properly secured. https://www.rawpixel.com/image/2288455/free-photo-image-pandemic-coughing-safety-equipmentFree Image from public domain licenseScientist analyzing samples from industrial hygiene investigations. Original image sourced from US Government department:… https://www.rawpixel.com/image/2288461/free-photo-image-science-laboratory-scientistFree Image from public domain licenseLaboratory technician working with electronic cigarettes. Original image sourced from US Government department: Public… https://www.rawpixel.com/image/2288508/free-photo-image-laboratory-scientist-scienceFree Image from public domain licenseHospital train 64, Allery, France, unloading a hospital train full of influenza patients during World War I. Original image… https://www.rawpixel.com/image/2298623/free-photo-image-world-war-trainFree Image from public domain licenseOperation at Herrin Hospital (private), Herrin, Illinois (1939). Original from Library of Congress. Digitally enhanced by… https://www.rawpixel.com/image/2301132/free-photo-image-surgery-medical-spanish-fluFree Image from public domain licenseA scientist working with samples to be tested using a real time PCR machine. Original image sourced from US Government… https://www.rawpixel.com/image/2288372/free-photo-image-laboratory-medical-technology-health-techFree 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/2288510/free-photo-image-face-mask-cough-suit-coronaFree Image from public domain licenseOperation, Herrin Hospital (private), Herrin, Illinois (1939). Original from Library of Congress. Digitally enhanced by… https://www.rawpixel.com/image/2301119/free-photo-image-doctor-spanish-flu-historyFree Image from public domain licenseEmergency hospital during influenza epidemic https://www.rawpixel.com/image/2299017/free-photo-image-spanish-flu-epidemic-1918-historicalView licenseU.S. Embarkation Camp, Pauillac, Gironde, France. Men lowering caskets into graves at the funerals of a soldier and a sailor… https://www.rawpixel.com/image/2298585/free-photo-image-funeral-black-and-white-graveFree 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/2282501/free-photo-image-laboratory-medical-research-medicineFree Image from public domain licenseThe open neuropsychiatric ward, U.S. Naval Hospital, Guam, Marianas Islands (1954). Original image from National Museum of… https://www.rawpixel.com/image/2298600/free-photo-image-hospital-black-and-white-vintageFree Image from public domain licenseHospital at Blackwell's Island. Original from Library of Congress. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2301125/free-photo-image-hospital-beds-spanish-flu-historyFree Image from public domain licenseU.S. Naval Hospital, Ward D-2. Guam, Marianas Islands (1954). Original image from National Museum of Health and Medicine.… https://www.rawpixel.com/image/2298595/free-photo-image-covid-pandemic-historical-old-photographyFree Image from public domain licenseA test tube tray containing a number of purple tipped vacutainer tubes. Original image sourced from US Government… https://www.rawpixel.com/image/2288494/free-photo-image-laboratory-medical-testFree Image from public domain license Gerardus Mercator natus Rupelmundæ III non. Martii anno MDXII, vixit ann. LXXXII. M. VIII. D. XXVI, denatus IV… https://www.rawpixel.com/image/8906096/image-art-vintage-booksFree Image from public domain licenseA scientist holding up a glass slide. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2288626/free-photo-image-gloves-scientist-laboratoryFree Image from public domain license