Petrological microscope with rotating stage published by C. Griffin & Co. (1893). Original from the British Library.…Free Image from public domain license
A 100X photomicrograph magnification of histopathologic morphology associated with the agriculturally–related condition…Free Image from public domain license
White coronavirus under a Microscope. Original image sourced from US Government department: Public Health Image Library…Free Image from public domain license
A medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government…Free Image from public domain license
A 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the…Free Image from public domain license
A photomicrograph of Candida albicans fungal spores. Original image sourced from US Government department: Public Health…Free Image from public domain license
Transmission electron microscopic (TEM) image, revealed ultrastructural details exhibited by numerous, Coxiella burnetii…Free Image from public domain license
A medical illustration of drug–resistant, Streptococcus pneumoniae bacteria. Original image sourced from US Government…Free Image from public domain license
MERS Coronavirus Particle–Middle East Respiratory Syndrome Coronavirus particle envelope proteins immunolabeled with…Free Image from public domain license
An electron microscopic (SEM) image, depicts a blue-colored, human white blood cell, (WBC) known specifically as a…Free Image from public domain license
MERS Coronavirus Particles–Transmission electron micrograph of Middle East Respiratory Syndrome virusCoV particles…Free Image from public domain license
A medical illustration of drug–resistant, Mycoplasma genitalium bacteria. Original image sourced from US Government…Free Image from public domain license
Microscopic mold. Original image sourced from US Government department: Public Health Image Library, Centers for Disease…Free Image from public domain license
A 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the…Free Image from public domain license
Light Microscopy Microscope Experiment. The particles in the tube glow orange because they have been fluorescently tagged…Free Image from public domain license
MERS Coronavirus Particles–Transmission electron micrograph of Middle East Respiratory Syndrome CoV particles found…Free Image from public domain license
A 100X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the…Free Image from public domain license
Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2—also known as 2019-nCoV…Free Image from public domain license
A 1000X photomicrograph magnification of numerous, rod-shaped, Gram–negative, Yersinia pestis bacilli. Original image…Free Image from public domain license
Novel Coronavirus SARS-CoV-2–This transmission electron microscope image shows SARS-CoV-2, the virus that causes COVID…Free Image from public domain license
A photomicrograph reveals numerous Gram–negative, Francisella tularensis coccobacilli, the bacterium responsible for…Free Image from public domain license
Microscopic Objects from A history of the earth and animated nature (1820) by Oliver Goldsmith (1730-1774). Digitally…Free Image from public domain license
Ultrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image…Free Image from public domain license
Ultrastructural morphology exhibited by coronaviruses similar to COVID-19 which became pandemic. Original image sourced from…Free Image from public domain license
Wilson Bentley's Snowflake 920 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.…Free Image from public domain license
Novel Coronavirus SARS-CoV-2–
This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as…Free Image from public domain license
MERS Coronavirus Particles–Colorized transmission electron micrograph showing particles of the Middle East respiratory…Free Image from public domain license
Ultrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image…Free Image from public domain license
A 3D graphical representation of a number of Rotavirus virions, set against a black background. Original image sourced from…Free Image from public domain license
Wilson Bentley's Snowflake 562 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.…Free Image from public domain license
Sidney Hall’s (1831) astronomical chart illustration of Sagittarius and Corona Australis, Microscopium and Telescopium.…Free Image from public domain license
Wilson Bentley's Snowflake 1152 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.…Free Image from public domain license
Transmission electron microscopic (TEM) image highlights the particle envelope of a single, spherical shaped, Middle East…Free Image from public domain license
Wilson Bentley's Snowflake 234 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.…Free Image from public domain license
Green coronavirus under a microscope. Original image sourced from US Government department: Public Health Image Library…Free Image from public domain license
Electron microscopic image of Ebola virus. A healthcare provider donning a pair of green latex gloves in order to protect…Free Image from public domain license
Group A Streptococcus (GAS), Streptococcus pyogenes bacteria, which were atop the surface of a human white blood cell (WBC)…Free Image from public domain license
A 3D illustration provides a graphical representation of a single norovirus virion, set against a beige background. Original…Free Image from public domain license
A Petri dish culture plate, which had contained a growth medium of sheep blood agar (SBA), and which was inoculated with…Free Image from public domain license
MERS Coronavirus Particles–MERS-CoV particles on camel epithelial cells. Original image sourced from US Government…Free Image from public domain license
Petrological microscope with rotating stage published by C. Griffin & Co. (1893). Original from the British Library.… Free Image from public domain license 
A 100X photomicrograph magnification of histopathologic morphology associated with the agriculturally–related condition… Free Image from public domain license 
White coronavirus under a Microscope. Original image sourced from US Government department: Public Health Image Library… Free Image from public domain license 
A medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government… Free Image from public domain license 
A 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the… Free Image from public domain license 
A photomicrograph of Candida albicans fungal spores. Original image sourced from US Government department: Public Health… Free Image from public domain license 
Transmission electron microscopic (TEM) image, revealed ultrastructural details exhibited by numerous, Coxiella burnetii… Free Image from public domain license 
A medical illustration of drug–resistant, Streptococcus pneumoniae bacteria. Original image sourced from US Government… Free Image from public domain license 
MERS Coronavirus Particle–Middle East Respiratory Syndrome Coronavirus particle envelope proteins immunolabeled with… Free Image from public domain license 
An electron microscopic (SEM) image, depicts a blue-colored, human white blood cell, (WBC) known specifically as a… Free Image from public domain license 
MERS Coronavirus Particles–Transmission electron micrograph of Middle East Respiratory Syndrome virusCoV particles… Free Image from public domain license 
A medical illustration of drug–resistant, Mycoplasma genitalium bacteria. Original image sourced from US Government… Free Image from public domain license 
Microscopic mold. Original image sourced from US Government department: Public Health Image Library, Centers for Disease… Free Image from public domain license 
A 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the… Free Image from public domain license 
Light Microscopy Microscope Experiment. The particles in the tube glow orange because they have been fluorescently tagged… Free Image from public domain license 
MERS Coronavirus Particles–Transmission electron micrograph of Middle East Respiratory Syndrome CoV particles found… Free Image from public domain license 
A 100X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the… Free Image from public domain license 
Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2—also known as 2019-nCoV… Free Image from public domain license 
A 1000X photomicrograph magnification of numerous, rod-shaped, Gram–negative, Yersinia pestis bacilli. Original image… Free Image from public domain license 
Novel Coronavirus SARS-CoV-2–This transmission electron microscope image shows SARS-CoV-2, the virus that causes COVID… Free Image from public domain license 
A photomicrograph reveals numerous Gram–negative, Francisella tularensis coccobacilli, the bacterium responsible for… Free Image from public domain license 
Microscopic Objects from A history of the earth and animated nature (1820) by Oliver Goldsmith (1730-1774). Digitally… Free Image from public domain license 
Ultrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image… Free Image from public domain license 
Ultrastructural morphology exhibited by coronaviruses similar to COVID-19 which became pandemic. Original image sourced from… Free Image from public domain license 
Wilson Bentley's Snowflake 920 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… Free Image from public domain license 
Novel Coronavirus SARS-CoV-2–
This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as… Free Image from public domain license 
MERS Coronavirus Particles–Colorized transmission electron micrograph showing particles of the Middle East respiratory… Free Image from public domain license 
Ultrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image… Free Image from public domain license 
A 3D graphical representation of a number of Rotavirus virions, set against a black background. Original image sourced from… Free Image from public domain license 
Wilson Bentley's Snowflake 562 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… Free Image from public domain license 
Sidney Hall’s (1831) astronomical chart illustration of Sagittarius and Corona Australis, Microscopium and Telescopium.… Free Image from public domain license 
Vintage Victorian style microscope engraving. Original from the British Library. Digitally enhanced by rawpixel. Free Image from public domain license 
Wilson Bentley's Snowflake 1152 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… Free Image from public domain license 
Transmission electron microscopic (TEM) image highlights the particle envelope of a single, spherical shaped, Middle East… Free Image from public domain license 
Wilson Bentley's Snowflake 234 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… Free Image from public domain license 
Green coronavirus under a microscope. Original image sourced from US Government department: Public Health Image Library… Free Image from public domain license 
Electron microscopic image of Ebola virus. A healthcare provider donning a pair of green latex gloves in order to protect… Free Image from public domain license 
Group A Streptococcus (GAS), Streptococcus pyogenes bacteria, which were atop the surface of a human white blood cell (WBC)… Free Image from public domain license 
A 3D illustration provides a graphical representation of a single norovirus virion, set against a beige background. Original… Free Image from public domain license 
A Petri dish culture plate, which had contained a growth medium of sheep blood agar (SBA), and which was inoculated with… Free Image from public domain license 
MERS Coronavirus Particles–MERS-CoV particles on camel epithelial cells. Original image sourced from US Government… Free Image from public domain license 
