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. 2015 Aug;61(4):310-2.
doi: 10.1093/tropej/fmv020. Epub 2015 Mar 30.

Influenza virus infections in the tropics during the first year of life

Daniel H Libraty  1 , Lei Zhang  2 , Mercydina Caponpon  3 , Rosario Z Capeding  4
Affiliations

Influenza virus infections in the tropics during the first year of life

Daniel H Libraty et al. J Trop Pediatr. 2015 Aug.

Abstract

Pediatric influenza virus infections in the tropics, particularly during infancy, are not well described. We identified influenza virus infections among infants with non-dengue acute undifferentiated febrile illnesses in San Pablo, Laguna, Philippines, as part of an ongoing clinical study of dengue virus infections during infancy. We found that 31% of infants with non-dengue acute undifferentiated febrile illnesses in San Pablo, Laguna, Philippines, had influenza virus infections. The majority were influenza A virus infections and outpatient cases. The infant ages were 11.1 [9.8-13.0] months (median [95% confidence interval]), and the cases clustered between June and December. Influenza episodes are a common cause of non-dengue acute undifferentiated febrile illnesses in the tropics during the first year of life.

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Figures

Fig. 1.
Fig. 1.
(A) Age distribution of infants with influenza virus infections, and (B) month of illness distribution of infants with influenza virus infections.
See this image and copyright information in PMC

References

    1. Libraty DH, Acosta LP, Tallo V, et al. A prospective nested case-control study of Dengue in infants: rethinking and refining the antibody-dependent enhancement dengue hemorrhagic fever model. PLoS Med 2009;6:e1000171. - PMC - PubMed
    1. Brooks WA, Goswami D, Rahman M, et al. Influenza is a major contributor to childhood pneumonia in a tropical developing country. Pediatric Infect Dis J 2010;29:216–21. - PubMed

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