Table 1. Study inclusion and exclusion criteria.

PICOS	Inclusion	Exclusion
Population	Infants and children (focus on 24 months of age and younger) Pregnant women and people	Adults only
Intervention	N/A	N/A
Control	N/A	N/A
Outcome	Emergency department or other ambulatory visit due to RSV Hospitalization due to RSV-associated disease ICU admission due to RSV-associated disease RSV-associated death Preterm labour associated with RSV	Outcome not associated with RSV infection
Study design	Systematic reviews and/or meta-analyses Any primary evidence studies (i.e., experimental, quasi and non-experimental studies)	Narrative reviews Guidelines Editorials, commentaries Conference abstracts

Abbreviations: ICU, intensive care unit; N/A, not applicable; PICOS, population, intervention, control, outcome and study design; RSV, respiratory syncytial virus