A single shot of either the Oxford-AstraZeneca or Pfizer-BioNTech vaccines is more than 80% effective at preventing hospitalisation among the over 80s, the health secretary has said.
Source link : http://news.sky.com/story/covid-19-single-astrazeneca-or-pfizer-dose-80-effective-at-preventing-hospitalisations-in-over-80s-12232917
Publish date : 2021-03-01 16:52:00
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