Pregnancy outcomes and vaccine effectiveness during the period of omicron as the variant of concern, INTERCOVID-2022: a multinational, observational study

Villar, José; P. Soto Conti, Constanza; B. Gunier, Robert; Ariff, Shabina; Craik, Rachel; Ivo Cavoretto, Paolo; Rauch, Stephen; Gandino, Serena; Nieto, Ricardo; Winsey, Adele; Menis, Camilla; B Rodriguez, Gabriel; Savasi, Valeria; Tuğ, Niyazi; Deantoni, Sonia; Fabre, Marta; Martínez de Tejada, Begoña; Rodriguez‐Sibaja, M.J.; Livio, Stefania; Napolitano, R.; Maíz, Nerea; Sobrero, Helena; Peterson, Ashley; Deruelle, Philippe; Giudice, Carolina; S. Teji, Jagjit; Casale, Roberto; Salomon, Laurent; Prefumo, Federico; Cheikh Ismail, Leila; G. Gravett, Michael; Silva do Vale, Marynéa; Hernández, Valéria; Sentilhes, Loı̈c; Rae Easter, Sarah; Capelli, Carola; Marler, Emily; M Cáceres, Daniela; Albornoz Crespo, Guadalupe; Ernawati, Ernawati; Lipschuetz, Michal; Takahashi, Ken; Vecchiarelli, Carmen; Hubka, Teresa; Ikenoue, Satoru; Tavchioska, Gabriela; Bako, Babagana; Idowu Ayede, Adejumoke; Eskenazi, Brenda; Thornton, Jim; A Bhutta, Zulfiqar; Kennedy, Stephen; T. Papageorghiou, Aris

doi:10.1016/s0140-6736(22)02467-9

Public

Pregnancy outcomes and vaccine effectiveness during the period of omicron as the variant of concern, INTERCOVID-2022: a multinational, observational study

Published in The Lancet • Jan 17, 2023

Authors:

José Villar

Constanza P. Soto Conti

Robert B. Gunier

Abstract

BACKGROUND: In 2021, we showed an increased risk associated with COVID-19 in pregnancy. Since then, the SARS-CoV-2 virus has undergone genetic mutations. We aimed to examine the effects on maternal and perinatal outcomes of COVID-19 during pregnancy, and evaluate vaccine effectiveness, when omicron ...

Subject

Medicine

Pregnancy

Observational study

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