Effectiveness of influenza vaccine in children in day-care centers of Sapporo - Mori, Mitsuru; Hasegawa, Junko; Showa, Satoko; Matsushima, Aiko; Ohnishi, Hirofumi; Yoto, Yuko; Tsutsumi, Hiroyuki (Pediatrics international, 2014)
Keywords: Child; Child Day Care Centers - statistics & numerical data; Child, Preschool; children; Day care centers; effectiveness; Effectiveness studies; Follow-Up Studies; Humans; Incidence; Infant; Infant, Newborn; Influenza; Influenza A virus - immunology; influenza vaccine; Influenza Vaccines - pharmacology; Influenza, Human - epidemiology; Influenza, Human - prevention & control; Japan - epidemiology; Pediatrics; Prognosis; retrospective cohort studies; Retrospective Studies; Urban Population; Vaccines; Japan; Sapporo Japan; effectiveness; influenza vaccine; retrospective cohort studies; children