'Momentous event': HHS Secretary Alex Azar touts COVID-19 vaccine as a key to US herd immunity
Hospitals nationwide began immunizing health care workers Monday after the FDA's authorization of a COVID-19 vaccine developed by Pfizer and BioNTech.
from USATODAY - News Top Stories https://ift.tt/3nla4TO
Hospitals nationwide began immunizing health care workers Monday after the FDA's authorization of a COVID-19 vaccine developed by Pfizer and BioNTech.
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