from CNN.com - RSS Channel https://ift.tt/329yzKJ
Sunday, April 11, 2021
Chinese Covid-19 vaccine efficacy is "not high," top health official admits
Chinese Covid-19 vaccine efficacy is "not high," top health official admits The efficacy of Chinese Covid-19 vaccines is "not high" and authorities are weighing options to bolster protection -- including mixing different shots, China's top disease control official has said.
from CNN.com - RSS Channel https://ift.tt/329yzKJ
from CNN.com - RSS Channel https://ift.tt/329yzKJ
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