COVID-19 Vaccination During Pregnancy Reduces Preeclampsia Risk

A study conducted by the INTERCOVID Consortium and published on February 18, 2026, found that COVID-19 vaccination during pregnancy significantly reduces the risk of preeclampsia. The research highlights that receiving a booster dose further enhances this protective effect. The study analyzed data related to maternal and perinatal outcomes, demonstrating a notable decrease in adverse events among vaccinated pregnant individuals. The findings were reported by Professor José Villar from the Nuffield Department of Women's & Reproductive Health at the University of Oxford, United Kingdom. This research supports the benefits of COVID-19 vaccination during pregnancy for improving maternal health outcomes.