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South Africa Says It Has Passed Its Fourth Wave of Cases – The New York Times

South Africa Says It Has Passed Its Fourth Wave of Cases  The New York TimesOmicron protects against delta variant: South Africa study  CNBC TelevisionStudies indicate Johnson & Johnson booster provides strong protection against omicron  KXAN.comCovid-19, Omicron and Vaccines: Live News Updates  The New York TimesStudy: Omicron variant may help to ward off more severe delta  WSB Atlanta

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