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An ancient coronavirus swept across East Asia 25,000 years agoAn ancient coronavirus may have infected the ancestors of people living in modern-day East Asia tens of thousands of years ago.
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India breaks global record for highest number of daily COVID-19 infectionsIndia reported 312,731 new COVID-19 infections on Thursday, the highest single-day increase ever reported worldwide.
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US drug overdose deaths surged during COVID-19 lockdownsU.S. overdose deaths surged during the first half of the COVID-19 pandemic, according to preliminary data from the CDC.
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Pfizer's COVID-19 vaccine effective after 6 months and works against problem variantThe developers gave an update from their ongoing clinical trial.
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WHO thinks it knows where COVID-19 originatedIn January, a WHO team of experts traveled to China to probe how the deadly pandemic first started.
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Still no evidence of COVID-19 transmission from food, FDA saysThe FDA statement pours cold water on a theory that the novel coronavirus emerged outside China and was brought in on imported frozen food.
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Entire Brazilian city will be vaccinated against COVID-19 in giant experimentScientists will vaccinate all the adults in a single city to see whether a COVID-19 vaccine will reduce cases.
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Prior infection with common cold viruses won't protect against COVID-19For months, scientists have wondered whether past exposure to seasonal coronaviruses that cause common colds might prevent people from getting a severe case COVID-19.
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10 ways COVID-19 changed the worldHere are just some of the ways COVID-19 changed the world in 2020.
