COVID-19 vaccines approved by the United States like Pfizer, Moderna and Johnson and Johnson have effectiveness against the B1617 variant of the virus that is predominant in India, which is experiencing one of the worst outbreaks of the pandemic, a top American health official said.
COVID-19 vaccines approved by the United States like Pfizer, Moderna and Johnson and Johnson have effectiveness against the B1617 variant of the virus that is predominant in India, which is experiencing one of the worst outbreaks of the pandemic, a top American health official said. May 13, 2021 at 07:01AM https://ift.tt/3y6SpF0
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