Influenza-like illness in an urban community of Salvador, Brazil: incidence, seasonality and risk factors
Oliveira CR, Costa GSR, Paploski IAD, Kikuti M, Kasper AM, Silva MMO, Tavares AS, Cruz JS, Queiroz TL, Lima HCAV, Calcagno J, Reis MG, Weinberger DM, Shapiro ED, Ko AI, Ribeiro GS. Influenza-like illness in an urban community of Salvador, Brazil: incidence, seasonality and risk factors. BMC Infectious Diseases 2016, 16: 125. PMID: 26975185, PMCID: PMC4791800, DOI: 10.1186/s12879-016-1456-8.Peer-Reviewed Original ResearchConceptsInfluenza-like illnessYears of ageAcute febrile illnessAnnual incidenceRisk of ILIChildren 5Year oldsIncidence of ILIMean annual incidenceEpidemiology of influenzaCommunity-based surveillanceNegative test resultsSeasonal influenza transmissionILI peakMethodsBetween 2009Febrile illnessSore throatRegression modelsDisease burdenRisk factorsSchool-aged childrenEmergency unitInfluenza transmissionSignificant burdenYoung school-age children