Tag : virology

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Enlarge / Electron micrograph of herpesviruses. reader comments 15 with Share this story Double-stranded DNA viruses come in two main flavors, classified by their shapes. One contains large and giant DNA viruses that attack complex cells but also includes some viruses that are much smaller and infect bacteria. These viruses are shaped like soccer balls. ..

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reader comments 48 with 39 posters participating Share this story Covid-19 Coverage View more stories Infection by SARS-CoV-2 causes a dizzying array of symptoms beyond the respiratory distress that is its most notable feature. These range from intestinal distress to blood clots to the loss of smell, and symptoms vary wildly from person to person. ..

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Enlarge / That’s a lot of mutations. reader comments 228 with 113 posters participating, including story author Share this story Covid-19 Coverage View more stories On Friday, the World Health Organization officially named a new version of the SARS-CoV-2 virus a variant of concern, and attached the Greek letter omicron to the designation. The Omicron ..

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