Effectiveness and durability of a second COVID-19 booster against severe outcomes among older people in Norway: a population-based cohort study comparing mono- and bivalent booster doses.

Melanie StecherAnja Bråthen KristoffersenKristian LieSvein Rune AndersenHinta MeijerinkJostein Starrfelt

Published in: International journal of epidemiology (2023)

Our results indicate an increased protective effect of a fourth dose against severe outcomes compared with a third dose, with decreasing effect with time since the last dose.

Keyphrases

coronavirus disease
early onset
sars cov
randomized controlled trial
systematic review
type diabetes
metabolic syndrome
adipose tissue