First vaccine shots providing 67% protection after three weeks – epidemiologist

Single jabs of Covid-19 vaccinations are providing 67% protection against infection, according to data (PA)

Single jabs of Covid-19 vaccinations are providing 67% protection against infection, according to data from the Zoe Covid Symptom Study App.

Epidemiologist Professor Tim Spector, of King’s College London, told Sky News’ Sophy Ridge on Sunday that the British government’s policy of delaying second jabs appeared to be working and restrictions should be able to begin to be reduced within weeks.