Pfizer's COVID-19 vaccine is more than 90% effective against hospitalization for first six months

Pfizer's COVID-19 vaccine is more than 90% effective against hospitalization for first six months Pfizer-BioNTech's COVID-19 vaccine remains effective at preventing hospitalizations for at least six months, a new study suggests..

Researchers at Kaiser Permanente Southern California (KPSC) gathered data from the company's health care network to discover how often fully vaccinated people were either testing positive for the virus or being hospitalized because of it. The Daily Mail

See also: 

• Effectiveness of mRNA BNT162b2 COVID-19 vaccine up to 6 months in a large integrated health system in the USA: a retrospective cohort study (open access) The Lancet