Impact of physical distancing measures against COVID-19 on contacts and mixing patterns: repeated cross-sectional surveys, the Netherlands, 2016–17, April 2020 and June 2020
Backer, Jantien A and Mollema, Liesbeth and Vos, Eric RA and Klinkenberg, Don and van der Klis, Fiona RM and de Melker, Hester E and van den Hof, Susan and Wallinga, Jacco, Eurosurveillance, 26, 2000994 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.8.2000994