The US FDA approved the Pfizer COVID-19 vaccine for emergency use.
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Viagra is approved by the U.S. Food and Drug Administration.
Johns Hopkins University announced that the number of people who died worldwide due to the COVID-19 pandemic had reached three million.
First confirmed case of COVID‑19 found in U.S.
The Queen knighted British Captain Tom Moore on his 100th birthday.
Wuhan government confirms dozens of cases of virus later ID'd as COVID‑19.
