Influenza virus infections in the tropics during the first year of life.
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Journal of tropical pediatrics, ISSN: 1465-3664, Vol: 61, Issue: 4, Page: 310-2
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- Medicine; Influenza Humans; International Public Health; Maternal and Child Health; Pediatrics; Virus Diseases
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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.