Prognosis
South Africa to Speed Up Plans to Use J&J Covid Shot
- J&J vaccines shows more efficacy against South African strain
- Astra shot doesn’t prevent mild disease from strain: study
Photographer: Siphiwe Sibeko/AFP/Getty Images
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South Africa will temporarily halt the rollout of AstraZeneca Plc’s vaccine and accelerate its supply of shots from Johnson & Johnson and Pfizer Inc. after a trial showed the shot had limited efficacy against a new variant of the virus first identified in the country late last year.