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Memorias del Instituto de Investigaciones en Ciencias de la Salud

On-line version ISSN 1812-9528


GALEANO, Rosa Alicia et al. Burden of Influenza in the community of Barrio Obrero. Paraguay. Mem. Inst. Investig. Cienc. Salud [online]. 2017, vol.15, n.3, pp.73-82. ISSN 1812-9528.

Influenza (FLU) causes severe morbidity and mortality. This study aimed to evaluate the incidence, etiology and use of resources for influenza in a low-income neighborhood in Asunción, Paraguay through a prospective population base cohort with stratified random sampling of houses from July to October 2013. Monitoring of cases of influenza-like illness (ILI) was by telephone. In ETI cases, nasopharyngeal swabs were collected for RT-PCR and IFI. Risk factors for ETI were established using chi square test at p≤0.05; RR with CI 95% was also calculated. Of 8,279 homes, 401 families (2,065 people) were monitored; 141 ILI cases were identified, yielding an incidence of 6.8% (95% CI 5.5-7.6), 56% of cases sought medical attention, mostly (80%) in public health services. Among the ILIs, 84% of nasopharyngeal swabs were tested, 22% positive for respiratory viruses; 86% FLU (63% FLU A, 37% FLU B). An association (p<0.001) between ILI disease and aged less than 5 years (RR: 2.43 (1.68-3.49) was found. This is the first study that gives information on Influenza burden in Paraguay. Telephone monitoring was a good strategy for house monitoring in order to identify cases of ILI. Influenza virus was the most common pathogen identified, with a high demand for medical assistance, which results in a substantial burden for health services.

Keywords : telephone; Paraguay; influenza human; follow-up studies.

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