How nasopharyngeal pneumococcal carriage evolved during and after a PCV13-to-PCV10 vaccination programme switch in Belgium, 2016 to 2018 Wouters, Ine and Desmet, Stefanie and Van Heirstraeten, Liesbet and Herzog, Sereina A and Beutels, Philippe and Verhaegen, Jan and Goossens, Herman and Van Damme, Pierre and Malhotra-Kumar, Surbhi and Theeten, Heidi and NPcarriage Study Group, Eurosurveillance, 25, 1900303 (2020), https://doi.org/10.2807/1560-7917.ES.2020.25.5.1900303