dc.creatorMoura, Fernanda E. A.
dc.creatorPerdigão, Anne C. B.
dc.creatorSiqueira, Marilda Agudo Mendonça Teixeira de
dc.date2018-07-30T14:05:58Z
dc.date2018-07-30T14:05:58Z
dc.date2009
dc.date.accessioned2023-09-26T23:14:28Z
dc.date.available2023-09-26T23:14:28Z
dc.identifierMOURA, Fernanda E. A.; PERDIGÃO, Anne C. B.; SIQUEIRA, Marilda Agudo Mendonça Teixeira de. Seasonality of Influenza in the Tropics: A Distinct Pattern in Northeastern Brazil. Am. J. Trop. Med. Hyg., v.81, n.1, p.180-183, 2009.
dc.identifier0002-9637
dc.identifierhttps://www.arca.fiocruz.br/handle/icict/27708
dc.identifier1476-1645
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8888402
dc.descriptionInfluenza epidemics occur worldwide annually. The incidence of influenza shows a seasonal pattern in temperate areas, but little is known about influenza seasonality in tropical regions. The objective of this study was to determine the prevalence and the seasonal pattern of influenza infections in children living in the city of Fortaleza in northeastern Brazil. An indirect immunofluorescence assay was performed on nasopharyngeal aspirates collected from children attending in ambulatories, emergency rooms, and wards of the Hospital Infantil Albert Sabin with suspicion of acute respiratory infection during 7 consecutive years (2001–2007). Influenza viruses were detected in 6.3% (234/3,708) of specimens. Laboratory-based surveillance data showed a clear annual epidemic cycle of influenza, with a peak usually occurring in the rainy periods. In Fortaleza, flu infections occurred at a low level throughout the year but exhibit a marked seasonal increase during the rainy season.
dc.description2030-01-01
dc.formatapplication/pdf
dc.languageeng
dc.publisherThe American Society of Tropical Medicine and Hygiene
dc.rightsrestricted access
dc.subjectInfluenza
dc.subjectSazonalidade
dc.subjectRegião Nordeste
dc.subjectBrasil
dc.subjectInfluenza
dc.subjectInfluenza
dc.subjectNortheastern Brazil
dc.titleSeasonality of Influenza in the Tropics: A Distinct Pattern in Northeastern Brazil
dc.typeArticle


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