Assessment of a code-based method compared with a questionnaire-based method for Influenza-Like Illness surveillance data collection in Belgian General Practices: Protocol, Nahimana, Mélanie, Rouvez Floriane, Bensemmane Sherihane, Moreels S, De Schreye Robrecht, and Bossuyt Nathalie , 99th EGPRN Meeting, Budapest, Hungary, 17-20 October 2024, 1 December 2024, Volume Abstract-Book-of-the-99th-EGPRN-Meeting-Budapest-Hungary, Issue EGPRN, Number 103, Budapest, Hungary, (2024)