Hospital population density and risk of respiratory infection: Is close contact density dependent?. Shirreff, George; Thiébaut, Anne C. M.; Huynh, Bich-Tram; NODS-Cov2 Investigation Group; Chelius, Guillaume; Fraboulet, Antoine; Guillemot, Didier; Opatowski, Lulla; Temime, Laura. Epidemics. 2024; 49: p.100807. doi:10.1016/j.epidem.2024.100807Article