- Pfizer/BioNTech vaccine weaker against South African variant, study says; New York City could run out of doses. Latest COVID-19 updates USA TODAY
- New funding for testing, Biden plan to reopen schools, South Africa distributes J&J vaccine: Latest 11Alive
- Live updates: Pfizer and Moderna vaccines have reduced effectiveness against South African variant, new studies show The Washington Post
- The Latest: Africa expects 1st AstraZeneca doses next week The Philadelphia Inquirer
- Lab studies suggest Pfizer, Moderna vaccines can protect against coronavirus variant CNN
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