Breakthrough infections of Covid-19 despite full vaccination were more likely to be caused by variants of the SARS-CoV-2 virus. — AFP
Only about 0.01% of people became infected with Covid-19 between January and April (2021) despite being fully vaccinated, a US government study confirming the shots’ high efficacy showed on May 26 (2021).
The report published by the US Centers for Disease Control and Prevention (CDC) documented so-called “breakthrough” cases among 101 million people fully vaccinated in the United States.
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