|How to cite this article:
Joob B, Wiwanitkit V. Dengue and H1N1 infection. Ann Trop Med Public Health 2015;8:316
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Joob B, Wiwanitkit V. Dengue and H1N1 infection. Ann Trop Med Public Health [serial online] 2015 [cited 2020 Dec 2];8:316. Available from: https://www.atmph.org/text.asp?2015/8/6/316/162631
The recent report on dengue and hemagglutinin type 1 and neuraminidase type 1 (H1N1) infection is very interesting.  Behara et al. reported a case of concurrent dengue and H1N1 infection and concluded that “both dengue and H1N1 influenza are potentially fatal diseases and a high index of suspicion is necessary among the treating physicians for early diagnosis and best outcomes”.  Indeed, the problem of concomitant dengue and pandemic H1N1 influenza infection has been proposed for a few years. The first report was by Joob and Wiwanitkit  and there are other sporadic reports. ,, As noted by Hussain et al.,  it is an actual diagnostic challenge diagnosing the coinfection between dengue and H1N1 influenza. It is no doubt that dengue can coinfect with other infections. The diagnosis of coinfection between dengue and H1N1 influenza should be further discussed. Based on our experience, the coinfection should be suspected in any case with:
- Fever that cannot be simply controlled by acetaminophen,
- Presentation of hemorrhagic complication, and
- Finding of unexplained thrombocytopenia with atypical lymphocytosis and hemoconcentration. Finally, it should be noted that other tropical infections can also coinfect with H1N1 influenza and the practitioner has to think about possible coinfection in managing any case of H1N1 influenza.
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