TY - JOUR AU - Chen, Qingui AU - Toorop, Myrthe M. A. AU - de Boer, Mark G. J. AU - Rosendaal, Frits R. AU - Lijfering, Willem M. AU - LUMC-COVID-19 Research Group PY - 2020 DA - 2020/10/06 TI - Why crowding matters in the time of COVID-19 pandemic? - a lesson from the carnival effect on the 2017/2018 influenza epidemic in the Netherlands JO - BMC Public Health SP - 1516 VL - 20 IS - 1 AB - To evaluate the association between crowding and transmission of viral respiratory infectious diseases, we investigated the change in transmission patterns of influenza and COVID-19 before and after a mass gathering event (i.e., carnival) in the Netherlands. SN - 1471-2458 UR - https://doi.org/10.1186/s12889-020-09612-6 DO - 10.1186/s12889-020-09612-6 ID - Chen2020 ER -