The respiratory syncytial virus (RSV) vaccine (Abrysvo) was linked with fewer hospitalizations and emergency department (ED) visits in older patients during the first season of the vaccine's rollout,

A large new study says the RSV vaccine is 80% effective at preventing hospitalization in older adults due to complications from the illness, and works just as well at protecting them from death or needing intensive care unit support for severe complications.

The authors said the findings should encourage people to get vaccinated against RSV this year. "No vaccine is 100 percent effective. An 80 percent vaccine effectiveness rate is quite impressive and higher than we see,