AstraZeneca and Oxford University have more work to do to confirm whether their Covid-19 vaccine can be 90% effective, peer-reviewed data published in The Lancet showed, potentially slowing its eventual rollout in the fight against the pandemic.
AstraZeneca and Oxford University have more work to do to confirm whether their Covid-19 vaccine can be 90% effective, peer-reviewed data published in The Lancet showed, potentially slowing its eventual rollout in the fight against the pandemic.
