The vaccine proved a cumulative efficacy of 62.9% against respiratory syncytial virus-related lower respiratory tract disease in older adults over three seasons.
A single dose of the mRNA-1273.222 vaccine demonstrated strong immune responses against various omicron subvariants and showed a favorable safety profile compared to existing vaccines.
An English modeling study suggests level of protection decreases only very slightly over time and reminds parents to have their children up to date on all vaccinations.
The findings are from a National Foundation for Infectious Diseases (NFID) survey showing many Americans are not thinking about flu, COVID-19, RSV, or pneumococcal disease, and many respondents do not plan to get vaccinated this fall.