Sidney Hall’s (1831) astronomical chart illustration of Sagittarius and Corona Australis, Microscopium and… https://www.rawpixel.com/image/429665/free-illustration-image-zodiac-sagittarius-astrologyFree Image from public domain licenseCoronavirus under a microscope on a pastel background illustration https://www.rawpixel.com/image/2309464/free-illustration-image-covid-backgroundView 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 licenseCoronavirus under a microscope on a purple background illustration https://www.rawpixel.com/image/2308077/free-illustration-image-covid-watercolor-backgroundView licenseCoronavirus under the microscope watercolor texture https://www.rawpixel.com/image/2308114/free-illustration-image-covid-background-coronavirusView 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 licenseCoronavirus under a microscope on a pink background illustration https://www.rawpixel.com/image/2308690/free-illustration-image-watercolor-background-background-covidView licenseCoronavirus under a microscope on a pink background illustration https://www.rawpixel.com/image/2309855/free-illustration-image-covid-corona-pink-backgroundView 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 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 licenseCoronavirus disease COVID-19 pandemic https://www.rawpixel.com/image/2306724/free-illustration-image-covid-earth-corona-virusView licenseCoronavirus under a microscope on a pastel background illustration https://www.rawpixel.com/image/2308757/free-illustration-image-coronavirus-background-covid-purpleView 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 licenseCoronavirus under a microscope on a pink background illustration https://www.rawpixel.com/image/2309489/free-illustration-image-covid-coronavirus-virusView 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 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 licenseCoronavirus under a microscope on a gray background illustration https://www.rawpixel.com/image/2310017/free-illustration-image-covid-virus-pattern-backgroundView 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 licenseA medical illustration of clindamycin–resistant group B Streptococcus bacteria. Original image sourced from US… https://www.rawpixel.com/image/2288537/free-photo-image-bacteria-science-labFree Image from public domain licenseA 100X photomicrograph magnification of histopathologic morphology associated with the agriculturally–related… https://www.rawpixel.com/image/2288356/free-photo-image-microscope-antibody-virusFree Image from public domain licenseTransmission electron microscopic (TEM) image, revealed ultrastructural details exhibited by numerous, Coxiella burnetii… https://www.rawpixel.com/image/2288506/free-photo-image-science-biology-antibodyFree 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 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 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 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 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 licenseHokusai's The Great Wave off Kanagawa with coronavirus outbreak background https://www.rawpixel.com/image/2317028/free-illustration-image-peach-hokusai-covid-waveView licenseMERS Coronavirus Particles–Colorized scanning electron micrograph of MERS virus particles (yellow) both budding and… https://www.rawpixel.com/image/2294208/free-photo-image-microbiology-microscope-virusFree Image from public domain licenseMERS Coronavirus Particles–Transmission electron micrograph of Middle East Respiratory Syndrome virusCoV particles… https://www.rawpixel.com/image/2294155/free-photo-image-microscope-medical-awarenessFree Image from public domain licenseVaccine against coronavirus background illustration https://www.rawpixel.com/image/2310625/free-illustration-image-vaccine-covid-medicalView licenseMERS Coronavirus Particles–Transmission electron micrograph of Middle East Respiratory Syndrome CoV particles found… https://www.rawpixel.com/image/2294226/free-photo-image-virus-microscope-micrographFree 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 licenseA 3D graphical representation of a number of norovirus virions, set against a black background. https://www.rawpixel.com/image/2288339/free-photo-image-epidemic-biologyFree 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 licenseCoronavirus under microscope background illustration https://www.rawpixel.com/image/2310849/free-illustration-image-covid-covid-19-grungeView licenseRed coronavirus cells on a blue background illustration https://www.rawpixel.com/image/2311503/free-illustration-image-covid-covid-19-coronavirusView licenseCoronavirus under a microscope on a blue background illustration https://www.rawpixel.com/image/2308849/free-illustration-image-molecule-powerpoint-cell-researchView licenseCoronavirus under a microscope on a purple background illustration https://www.rawpixel.com/image/2308595/free-illustration-image-purple-space-awareness-backgroundView licenseNovel Coronavirus 2019-nCoV electron microscope https://www.rawpixel.com/image/2296307/free-photo-image-science-microbiology-medical-backgroundView licenseNovel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2—also known as 2019-nCoV… https://www.rawpixel.com/image/2294200/free-photo-image-covid-covid-19-healthFree 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 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 licenseGreen coronavirus under a microscope. 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Original image sourced from US Government… https://www.rawpixel.com/image/2288337/free-photo-image-chlamydia-science-labFree Image from public domain licenseA 100X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the… https://www.rawpixel.com/image/2288361/free-photo-image-microscope-liver-medicalFree Image from public domain licenseA 3D computer–generated image of a cluster of barrel-shaped, Clostridium perfringens bacteria. https://www.rawpixel.com/image/2288362/free-photo-image-bacteria-public-domain-perfringensFree Image from public domain licenseA Petri dish culture plate containing a growth medium of Sabouraud dextrose agar, which had been inoculated with the fungal… https://www.rawpixel.com/image/2288344/free-photo-image-petri-dish-microscopeFree Image from public domain licenseFlea isolated on white background. 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Original image sourced from US Government… https://www.rawpixel.com/image/2288353/free-photo-image-bacteria-anaerobicFree 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/2288347/free-photo-image-liver-organ-medical-organs-tissueFree 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/2288366/free-photo-image-microscope-awarenessFree Image from public domain licenseA medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government… https://www.rawpixel.com/image/2288642/free-photo-image-bacteria-public-domain-biologyFree Image from public domain licenseA 1125X photomicrograph magnification of a Giemsa stained, thin film blood smear, revealed a mature, Plasmodium malariae… https://www.rawpixel.com/image/2288374/free-photo-image-algae-blood-cells-microscopeFree Image from public domain licenseA 3D image of a group of Gram-positive, Streptococcus pneumoniae bacteria. 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