UK data shows Pfizer-BioNTech vaccine provides high levels of protection from the first dose

Tuesday, 23 February 2021

Data analysed by Public Health England (PHE) shows the Pfizer-BioNTech vaccine provides high levels of protection against infection and symptomatic disease from the first dose.

Data from PHE’s SIREN study shows a promising impact on infection in healthcare workers aged under 65. Healthcare workers in the study are tested for coronavirus (COVID-19) every 2 weeks – whether or not they have symptoms.