Non-invasive Streptococcus pneumoniae infections are associated with different serotypes than invasive infections, Belgium, 2020 to 2023, Passaris, I, Depickère Stéphanie, Braeye Toon, Mukovnikova Marina, Vodolazkaia Alexandra, Abels Chloé, Cuypers Lize, Desmet Stefanie, Ceyssens Pieter-Jan, and NIPD study group Belgium ,  Euro Surveill, Volume 29, Issue 45, (2024)