Girls in eight international locations typically opted for the respiratory syncytial virus (RSV) vaccine throughout being pregnant and most popular this methodology of immunization to giving their infants the toddler monoclonal antibody nirsevimab (Beyfortus), a research printed in Vaccine discovered.
“The multinational research demonstrates excessive acceptance of maternal RSV vaccination and a predominant choice for this technique over toddler immunizations,” wrote the authors, who had been led by researchers on the College of Well being Sciences on the College of Utilized Sciences and Arts Western Switzerland.
“These findings spotlight the significance of tailor-made communication addressing pregnant people’ issues about security and efficacy, alongside insurance policies that align with parental vaccination preferences to facilitate efficient implementation,” they added.
70% desire maternal vaccination
RSV could cause severe respiratory sickness in infants, together with bronchiolitis and pneumonia, and may even result in dying. Previous to RSV vaccine availability, RSV contributed to the hospitalization of 58,000 to 80,000 US youngsters beneath 5 years annually, in line with the Facilities for Illness Management and Prevention.
When ladies obtain the RSV Prefusion F vaccine throughout being pregnant, it gives sufficient safety that their infants usually don’t want nirsevimab.
Our outcomes, obtained from individuals throughout numerous healthcare settings in a number of international locations, reinforce the speculation that many pregnant people take into account maternal RSV vaccination as an appropriate technique to guard infants.
To know vaccination preferences, scientists recruited 887 ladies from eight international locations—Brazil, Canada, Colombia, Spain, France, Italy, Luxembourg, and Switzerland—from March 2024 to March 2025. Most girls (76.1%) acquired the vaccine throughout being pregnant, and 10.8% had beforehand acquired it. Greater than two-thirds (69.8%) stated they most popular receiving a vaccine than later giving their infants nirsevimab.
Mothers who beforehand had infants within the neonatal intensive care unit, those that frequently obtain vaccines, and girls who view healthcare positively had been almost certainly to be vaccinated. Those that skilled preeclampsia or frightened in regards to the danger of immunization throughout being pregnant had been much less more likely to desire maternal RSV vaccination.
“Our outcomes, obtained from individuals throughout numerous healthcare settings in a number of international locations, reinforce the speculation that many pregnant people take into account maternal RSV vaccination as an appropriate technique to guard infants in the course of the early months of life, with a predominant choice for this strategy over little one immunization,” the authors wrote.

