Maternal Vaccination Gaps Leave Many Babies Unprotected in Europe
A Lancet Regional Health—Europe series led by City St George's, University of London, calls for stronger maternal immunization programs across Europe. It reports that maternal RSV vaccination was linked to about 74% lower risk of hospitalization for RSV-related lower respiratory infection in infants under six months. However, access is unequal; one UK study found women in the most deprived areas had 72% lower odds of receiving vaccination than those in the least deprived areas.
A new Lancet Regional Health—Europe series, chaired by Professor Asma Khalil of City St George's, University of London, was introduced at the 2026 Global Society for Maternal-Fetal Medicine Congress in Utrecht. It examines maternal immunization across Europe and notes that health systems have lagged behind vaccine science.
The series reports that maternal RSV vaccination was tied to roughly 74% lower hospitalization risk for RSV-related lower respiratory infection in babies under six months. A pooled analysis of 16,394 pregnancies found no statistically significant preterm birth association, though ongoing safety checks remain necessary. A UK study found women in the most deprived areas had 72% lower odds of vaccination than those in the least deprived.
If gaps persist, pregnant women and infants, especially those in deprived communities, may face preventable severe infections and hospitalizations. Strengthening delivery, access, and trusted information could reduce unequal protection and ease pressure on health services. Countries preparing now for future maternal vaccines may be better positioned to protect newborns, though actual impact depends on implementation, uptake, and safety monitoring.