Tag: <span>COVID-19 strikes</span>

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First human challenge trial shows how COVID-19 strikes
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First human challenge trial shows how COVID-19 strikes

A group of 36 volunteers have completed the first human challenge study of COVID-19, after being given the virus and then monitored to examine what happened to them after infection. Researchers from the Imperial College of London learned a great deal about the virus during the initial study period in March 2021 and in follow-up...