A nurse administers a dose of the Pfizer-BioNTech Covid-19 vaccine in Haxby, England, on December 22, 2020. Lindsey Parnaby/AFP/Getty ImagesBritain aims to complete “tens of millions” of Covid-19 vaccinations in the next three months, UK Prime Minister Boris Johnson said on Sunday. Speaking to the BBC, Johnson said: “We do hope that we will be able to do tens of millions [of Covid-19 vaccines] in the next three months, I can certainly give you that figure,” he added. Similarly, the second dose of the newly UK-authorized Oxford/AstraZeneca vaccine may be given 4 to 12 weeks following the first, according to the recommendations. Pfizer says it does not have data to demonstrate that just a single dose of its Covid-19 vaccine would provide protection against the disease after more than 21 days.

Source: CNN January 03, 2021 14:38 UTC