What to know after the FDA expanded use of Pfizer’s Covid-19 vaccines to children 12 to 15 years old, and is nearing a decision to widen use to kids as young as 5 years old
from mint - Science https://ift.tt/3nlKsao
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from mint - Science https://ift.tt/3nlKsao
https://ift.tt/eA8V8J
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