Introduction
The International Respiratory Syncytial Virus Society (iRSVs) became a special interest group of ISRV in 2017, building on a series of biennial global meetings of RSV experts which started in 1996 and created acollegial international collaborative community. The partnership with ISRV was formed to formalize iRSVs, promote shared scientific goals and benefit from ISRV’s organizational support. The meetings have grown from about 100 who attended the first meeting to almost 700 attendees in 2025, spanning all continents and covering all areas of RSV research.