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Article: Prevalence and seasonality of influenza-like illness in children, Nicaragua, 2005-2007.(RESEARCH)(Clinical report)
- Article from:
- Emerging Infectious Diseases
- Article date:
- March 1, 2009
- Author:
CopyrightCOPYRIGHT 2009 U.S. National Center for Infectious Diseases. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Although information about seasonality and prevalence of influenza is crucial for development of effective prevention and control strategies, limited data exist on the epidemiology of influenza in tropical countries. To better understand influenza in Nicaragua, we performed a prospective 2-year cohort study of influenza-like illness (ILI) involving 4,276 children, 2-11 years of age, in Managua, during April 2005-April 2007. One peak of ILI activity occurred during 2005, in June-July; 2 peaks occurred during 2006, in June-July and November-December. The rate of ILI was 34.8/100 person-years. A household risk factor survey administered to a subset (61%) of participants ...