reduction in respiratory pathogens, including RSV, but a dramatic rebound was thereafter
reported. In this multicenter retrospective observational study in 15 Pediatric Emergency
Departments, all children< 3 years old with RSV infection admitted between 1 September
and 31 December 2021 were included and compared to those admitted in the same period
of 2020 and 2019. The primary aim was to evaluate RSV epidemiology during and after the …