- White House confirms Biden signing new South Africa travel restrictionsReuters
- Biden reinstates Covid travel restrictions Trump rescinded, imposes new ban on South AfricaYahoo News
- Covid-19 Live Updates: First Case of Brazil-Based Virus Variant Found in U.S.The New York Times
- Moderna Finds COVID-19 Vaccine Still Protects Against Emerging StrainsNPR
- Biden reimposes travel ban on European countries, adds South Africa in effort to contain coronavirusThe Washington Post
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