GSK's Arexvy RSV vaccine demonstrated 43.3% effectiveness in preventing severe illness in its third trial season, following 94.1% effectiveness initially and 64.2% in the second year. The vaccine, one ...
Arexvy is a brand-name respiratory syncytial virus (RSV) vaccine. It’s used in some adults to help prevent lung disease from RSV. Arexvy should not be used during pregnancy and breastfeeding.