50.0 MB (10.1 MB compressed)
4180 x 4180 pixels
35.3 x 35.3 cm ⏐ 13.9 x 13.9 in (300dpi)
NIAID / NATIONAL INSTITUTES OF HEALTH / SCIENCE PHOTO LIBRARY NIAID / NATIONAL INSTITUTES OF HEALTH / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of SARS-CoV-2 coronavirus particles (yellow) infecting a cell (green) from a US patient sample. SARS-CoV-2 (previously 2019-nCoV) was first identified in Wuhan, China, in December 2019, and has been declared a pandemic. It is an enveloped RNA (ribonucleic acid) virus. It causes Covid-19, a respiratory infection that can lead to fatal pneumonia. Social restrictions and infection control measures have been put in place to slow the spread of the virus.
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