Pfizer says clinical trials prove its vaccine is effective in children,

So, when Pfizer announced today that in clinical trials its COVID-19 vaccine was highly effective in 12-to-15 year olds, a University of Utah physician …, So, when Pfizer announced today that in clinical trials its COVID-19 vaccine was highly effective in 12-to-15 year olds, a University of Utah physician …, Read More

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