Klinkenberg, Donvan Hoek, Albert JanVeldhuijzen, IreneHahné, SusanWallinga, Jacco2022-09-202022-09-202022-09-123609360810.1017/S0950268822001455http://hdl.handle.net/10029/626093enSocial clustering of unvaccinated children in schools in the Netherlands.Article1469-4409Epidemiology and infection 2022; 150:e200