Archives for January 7, 2021

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WHO weighs in on COVID-19 vaccine second dose delay

WHO weighs in on COVID-19 vaccine second dose delay

By Rachel Arthur

The World Health Organization’s vaccine advisory group recommends the two doses of the Pfizer/BioNTech vaccine should be delivered 21 to 28 days apart: although it adds that the maximum time period between doses could be up to six weeks in some situations.