Coronavirus: Vaccination

Department of Health and Social Care written question – answered on 11th March 2021.

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Photo of Bambos Charalambous Bambos Charalambous Opposition Whip (Commons), Shadow Minister (Home Office)

To ask the Secretary of State for Health and Social Care, what assessment his Department has made of the effectiveness of the Pfizer BioNTech covid-19 vaccine when there is a 12-week gap between the first and second dose for those aged over 80; and what evidence that assessment is based on.

Photo of Nadhim Zahawi Nadhim Zahawi Parliamentary Under-Secretary (Department for Business, Energy and Industrial Strategy), The Parliamentary Under-Secretary for Health and Social Care

Public Health England is monitoring the effectiveness of the COVID-19 vaccines and has published early evidence on the efficacy of both the Pfizer/BioNTech and Oxford/Astrazeneca vaccines. The evidence suggests that a single dose of either vaccine is around 60 to 70% effective at preventing symptomatic disease in older adults and around 80% effective at preventing hospitalisations. There is also evidence that a single dose of the Pfizer/BioNTech vaccine is around 85% effective at preventing deaths. Further information is available at the following link:

Effectiveness of two doses with a 12-week gap will be monitored as more individuals start to receive their second dose.

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