Yearly Covid-19 Booster Recommendations in Canada, Europe, and Australia. Although the rapid development of multiple Covid-19 vaccines in 2020 represents a major scientific, medical, and regulatory ...
Clockwise from top left: A second-grader does remote schoolwork at the Reading, Pennsylvania, Boys and Girls Club in January 2021. Protesting against COVID-19 vaccine mandates in Buffalo, New York, in ...
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