When it was first detected, the South African variant looked worrisome because of the large number of mutations it had gained, 23 in all, and how...
The US may face a rapidly closing window to bring a suspected extra-contagious variant of covid-19 under control. If the variant strain, first spotted in the...
An easier-to-spread variant of COVID-19 detected in the U.S. could intensify the virus’s surge, if it hasn’t already, boosting the urgency for a speedier, more effective...
The first reported U.S. case of the COVID-19 variant that’s been seen in the United Kingdom has been discovered in Colorado, Gov. Jared Polis announced Tuesday....
Will COVID-19 vaccines work on the new coronavirus variant? Experts believe so, but they’re working to confirm that. A coronavirus variant in the United Kingdom has...
Pfizer Inc. partner BioNTech SE is pursuing all its options to make more Covid-19 vaccine doses than the 1.3 billion the companies have promised to produce...
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