The UK hit a milestone after giving 10 million people a COVID-19 vaccination.
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The FBI publicly confirmed that they believed COVID-19 originated in a lab in Wuhan, China.
First confirmed case of COVID‑19 found in U.S.
The Carnival in Rio de Janeiro in Brazil was canceled because of the COVID-19 pandemic.
The United Kingdom became the first country to legalize the use of the Pfizer COVID-19 Vaccine.
US President Joe Biden announced that Americans no longer needed to wear masks against COVID-19, following guidance released by the CDC.
