- Recovered Covid patients have been reinfected with new virus strains, WHO saysCNBC
- The Pfizer vaccine could be effective against the 2 most dangerous COVID-19 variants, according to new dataYahoo News
- Scientists aren’t cowed by coronavirus from South AfricaLos Angeles Times
- It’s time we stopped using the term ‘South Africa variant’Al Jazeera English
- EDITORIAL: State right to be wary about AstraZeneca vaccineBusiness Day
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