Open access
Aug 2026
Effectiveness and waning of the fourth dose mRNA COVID-19 vaccines for the prevention of SARS-CoV2 infection related hospitalisations and deaths.
A fourth dose of a mRNA COVID-19 vaccination was effective against SARS-CoV2 infection related death and hospitalisation, however, effectiveness waned over time.
Xin-Tong Li, N. Mercadé-Besora, Amy Shuk Man Lam et al.
· Journal of Infection · 0 citations