Effectiveness of mRNA BNT162b2 COVID-19 vaccine up to 6 months in a large integrated health system in the USA: a retrospective cohort study – The Lancet Commentary: Expert reaction to study on Pfizer-BioNTech vaccine effectiveness up to 6 months – Science Media Centre   Commentary on Twitter Study of 3.4 million people @aboutKP @TheLancet Vaccine […]

The post Cohort study: Pfizer vaccine effectiveness against any infections declined from 88% during the first month after full vaccination to 47% after 5 months. Vaccine effectiveness against hospital admissions remained high; 87% within 1 month, and 88% at 5 months after full vaccination, with no significant waning. appeared first on Links Medicus.