NPR News: Pfizer says its COVID-19 is over 90% effective in kids ages 5-11

Pfizer says its COVID-19 is over 90% effective in kids ages 5-11
Pfizer-BioNTech says their COVID-19 vaccine is 90% effective in kids ages 5 to 11. The Food and Drug Administration is likely to decide on emergency authorization as soon as the last week of October.

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