Single dose of AstraZeneca or Pfizer COVID-19 vaccine cuts hospitalization risk by up to 80%, study shows By: MarketWatch March 02, 2021 at 07:42 AM EST France revises its stance and approves the AstraZeneca–Oxford vaccine for the over-65s. Read More >> Related Stocks: Astrazeneca Plc ADR Biontech Se ADR Moderna Inc Pfizer