Simultaneous norovirus outbreak in three Portuguese army bases in the Lisbon region, December 2017
António Lopes-João, J R Mesquita, R de Sousa, M Oleastro, C Penha-Gonçalves, M S J Nascimento
BMJ Mil Health Feb 2021, 167 (1) 40-43; DOI: 10.1136/jramc-2019-001242