TY - GEN AU - Petrignani,M AU - van Beek,J AU - Borsboom,G AU - Richardus,J H AU - Koopmans,M TI - Norovirus introduction routes into nursing homes and risk factors for spread: a systematic review and meta-analysis of observational studies SN - 1532-2939 PY - 2015///0827 KW - Caliciviridae Infections KW - epidemiology KW - Disease Outbreaks KW - prevention & control KW - Disease Transmission, Infectious KW - Humans KW - Infection Control KW - methods KW - Norovirus KW - isolation & purification KW - Nursing Homes KW - Observational Studies as Topic KW - Risk Factors N1 - Publication Type: Journal Article; Meta-Analysis; Review; Systematic Review UR - https://doi.org/10.1016/j.jhin.2014.11.015 ER -