N95 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 licenseWoman using a damp sponge to clean dust collected on a window sill. Original image sourced from US Government department:… https://www.rawpixel.com/image/2282433/free-photo-image-cleaning-house-covidFree 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 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 licenseWoman using a damp sponge to clean dust collected on a window sill. Original image sourced from US Government department:… https://www.rawpixel.com/image/2282447/free-photo-image-cleaning-house-cleanFree 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 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 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 licenseNoh mask of a woman (18th-19th century). Original public domain image from The Minneapolis Institute of Art. Digitally… https://www.rawpixel.com/image/8627559/photo-image-face-art-vintageFree Image from public domain licenseFriends face coverings walking in nature, Oregon. Original public domain image from Flickr https://www.rawpixel.com/image/3388169/free-photo-image-walking-wearing-mask-covidFree Image from public domain licenseRescue officer carrying an axe during the aftermath of the September 11 terrorist attack on the World Trade Center, New York… https://www.rawpixel.com/image/3978599/photo-image-paper-face-mask-smokeFree Image from public domain licenseWooden dance mask, Zaire, Tshokweized Lunda Cluster. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/8627709/photo-image-face-art-vintageFree Image from public domain licenseThe new firefighter breathing system is made up of an air bottle, a frame and harness, a face mask, and a warning device.… https://www.rawpixel.com/image/439932/firefighters-blazeFree Image from public domain licenseRescue operations during the aftermath of the September 11 terrorist attack on the World Trade Center, New York City.… https://www.rawpixel.com/image/3978606/photo-image-paper-face-mask-smokeFree Image from public domain licenseMardi Gras Mask from New Orleans. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/3091608/free-photo-image-mask-pink-clown-faceFree Image from public domain licenseSkull (20th century). Original public domain image from The Smithsonian Institution. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/10103530/photo-image-face-vintage-skullFree Image from public domain licenseCouple with face coverings walking in nature, Oregon. Original public domain image from Flickr https://www.rawpixel.com/image/3388179/free-photo-image-mask-couple-forest-people-wearingFree Image from public domain licenseCouple cycling in the outdoors with face coverings, Oregon. Original public domain image from Flickr https://www.rawpixel.com/image/3388180/free-photo-image-mask-face-natureFree Image from public domain licenseAn African man wearing traditional beadwork. Albumen print. https://www.rawpixel.com/image/13969380/african-man-wearing-traditional-beadwork-albumen-printFree Image from public domain licenseMask (900-300 BCE) sculpture by Olmec. Original public domain image from The Minneapolis Institute of Art. Digitally… https://www.rawpixel.com/image/8543977/photo-image-face-aesthetic-artFree Image from public domain licenseService members, DoD civilians and military families committed to mission success https://www.rawpixel.com/image/4040207/photo-image-face-mask-public-domainFree Image from public domain license210202-N-LW757-1038 SAN DIEGO (Feb. 2, 2021) Teresa Cofer receives the coronavirus (COVID-19) vaccine on board Naval Base… https://www.rawpixel.com/image/3393854/free-photo-image-vaccine-immunity-covidFree Image from public domain licenseFunerary Mask of a Young Woman (916-1125). Original from The Minneapolis Institute of Art. https://www.rawpixel.com/image/7614864/photo-image-face-vintage-artFree 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 licensePersonnel Specialist 3rd Class receives a haircut aboard the hospital ship USNS Mercy (T-AH 19). (U.S. Navy photo by Mass… https://www.rawpixel.com/image/3393809/free-photo-image-hair-african-woman-earFree 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 licenseService members, DoD civilians and military families committed to mission success https://www.rawpixel.com/image/4040193/photo-image-face-mask-public-domainFree Image from public domain licenseA nurse at Madina Hospital in Mogadishu, Somalia, puts on a face mask before attending to a patient in the hospital's ER on… https://www.rawpixel.com/image/3373049/free-photo-image-hijab-nurse-medicine-womanFree Image from public domain licenseFunerary Mask of a Young Woman (916-1125). Original from The Minneapolis Institute of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/7616051/photo-image-face-art-vintageFree Image from public domain licenseHospitalman wears a face mask aboard the hospital ship USNS Mercy (T-AH 19) before working with a patient.(U.S. Navy photo… https://www.rawpixel.com/image/3393893/free-photo-image-doctor-wearing-mask-career-cc0Free Image from public domain licenseTech. Sgt. Carlos Sanders, 821st Contingency Response Group contracting officer, appears caked in dust after serving as an… https://www.rawpixel.com/image/8738938/photo-image-face-public-domain-maskFree Image from public domain licenseThe "cats" haul logs of fire-damaged trees to "landing" where they are loaded onto trucks for transporting out of the area.… https://www.rawpixel.com/image/8799514/photo-image-face-smoke-fireFree Image from public domain licenseMedical staff helping a patient. Original public domain image from Flickr https://www.rawpixel.com/image/8708741/photo-image-public-domain-covid-maskFree Image from public domain licenseU.S. Air National Guard F-16 Fighting Falcon fighter jets from the South Carolina Air National Guard’s 169th Fighter… https://www.rawpixel.com/image/4040312/photo-image-face-mask-public-domain-coronavirusFree Image from public domain licenseU.S Marine Corps Cpl. Aaron M. Henson, a combat correspondent with the Public Affairs Office, Headquarters and Headquarters… https://www.rawpixel.com/image/8738753/photo-image-face-public-domain-maskFree Image from public domain licenseA medical officer serving under the African Union Mission in Somalia (AMISOM) prepares to administer the COVID-19 vaccine at… https://www.rawpixel.com/image/3372984/free-photo-image-black-doctor-injecting-vaccine-african-injectionFree 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 licenseWoman treating a patient in an intensive care unit aboard the hospital ship USNS Mercy (T-AH 19). (U.S. Navy photo by Mass… https://www.rawpixel.com/image/3393831/free-photo-image-asian-nurse-nursing-professionFree 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 licensePolice Disperse Marchers with Tear Gas, National Museum of African American History and Culture https://www.rawpixel.com/image/8845018/police-disperse-marchers-with-tear-gasFree Image from public domain license A scene during a most unusual Carnival season, leading to what would normally have been the annual… https://www.rawpixel.com/image/8072786/photo-image-dragon-cartoon-faceFree Image from public domain licenseMask of a slightly smiling female face; lips slightly parted with black teeth; eyes looking straight forward; painted… https://www.rawpixel.com/image/7637049/photo-image-face-art-vintageFree Image from public domain licenseA Ugandan soldier serving under the African Union Mission in Somalia (AMISOM) takes the COVID-19 jab at the launch of the… https://www.rawpixel.com/image/3373000/free-photo-image-vaccine-african-black-doctors-patientFree Image from public domain licenseSurgeons stitch up a patient after an operation at Banadir hospital in Mogadishu, Somalia, on February 4. AU UN IST PHOTO /… https://www.rawpixel.com/image/3373040/free-photo-image-black-doctors-africa-africanFree Image from public domain licenseU.S. Army Pfc. Erick S. Alulema, combat medic specialist, Headquarters and Headquarters Troop, 102nd Cavalry Regiment, New… https://www.rawpixel.com/image/4031775/photo-image-face-mask-covidFree Image from public domain licenseMask (1550–1295 B.C.) ancient Egyptian object in gold. Original public domain image from The MET Museum. Digitally… https://www.rawpixel.com/image/10103601/photo-image-face-art-vintageFree Image from public domain licensePresident Joe Biden talks on the phone with Mexico’s President Andrés Manuel López Obrador Friday, Jan.… https://www.rawpixel.com/image/4046099/photo-image-face-mask-phone-public-domainFree Image from public domain licenseA medical officer at De Martini Hospital in Mogadishu on 21 June 2020. UN support for Somalia's COVID-19 response includes… https://www.rawpixel.com/image/4052320/photo-image-face-mask-covid19Free Image from public domain licenseMedical doctors perform a surgical procedure at the Banadir Hospital in Mogadishu, Somalia, on 4 February 2014. AMISOM Photo… https://www.rawpixel.com/image/3373005/free-photo-image-africa-african-blackFree Image from public domain licensePresident Joe Biden takes notes during a briefing on the shootings in Atlanta Wednesday, March 17, 2021, in the Oval Office… https://www.rawpixel.com/image/4046070/photo-image-face-mask-public-domain-shirtFree Image from public domain licenseA nurse stands in the operating room of the Sheikh Zayed Bin Sultan Al'Nahya Hospital in Mogadishu, Somalia, while a doctor… https://www.rawpixel.com/image/3373065/free-photo-image-africa-african-blackFree Image from public domain licenseHospitalman Cierrajaye Santella, assigned to Naval Hospital Bremerton/Navy Medicine Readiness and Training Command (NMRTC)… https://www.rawpixel.com/image/3393836/free-photo-image-vaccine-nurse-bottleFree Image from public domain licenseU.S. Air Force explosive ordnance disposal technicians carry munitions during a mass casualty exercise at Hurlburt Field… https://www.rawpixel.com/image/3315551/free-photo-image-hazmat-suit-air-forceFree Image from public domain licenseU.S. Navy and Vietnamese Doctors Operate on a Vietnamese Child220630-N-AU520-1051TUY HOA, VIETNAM (June 30, 2022) – U.S.… https://www.rawpixel.com/image/9648064/photo-image-face-people-masksFree Image from public domain licenseDHS Secretary Alejandro Mayorkas Dines at yushu Jangara AkasakaTokyo, Japan (October 21, 2022) Homeland Security Secretary… https://www.rawpixel.com/image/9647324/photo-image-face-mask-public-domainFree Image from public domain license"Caterpillars" work in dust and soot hauling logs to landing area where they will be loaded onto trucks. Face mask filters… https://www.rawpixel.com/image/8799786/photo-image-face-public-domain-maskFree Image from public domain license