Effectiveness of COVID-19 mRNA primary and booster vaccination against infection and hospitalisation during pregnancy: a target trial emulation and meta-analysis of data from 4 European countries
Mercade-Besora N., Raventós B., Trinh NTH., Li H., Hayati S., Giuliodori A., Burkard T., Burn E., Català M., Prieto-Alhambra D., Morales DR., Nyberg F., Nordeng HME., Duarte-Salles T.