Influenza seasonality affected by the 2009 pandemic episode in Senegal | Zendy

Ndongo Dia | Zendy; M. Diop Ousmane | Zendy; N. Ndiaye Mbayame | Zendy

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Influenza seasonality affected by the 2009 pandemic episode in Senegal

Author(s) -

Ndongo Dia,

M. Diop Ousmane,

N. Ndiaye Mbayame

Publication year - 2014

Publication title -

african journal of microbiology research

Language(s) - English

Resource type - Journals

ISSN - 1996-0808

DOI - 10.5897/ajmr2013.6228

Subject(s) - seasonality , pandemic , seasonal influenza , epidemiology , wet season , virology , virus , geography , covid-19 , demography , biology , medicine , ecology , infectious disease (medical specialty) , disease , cartography , sociology

In Senegal, the seasonality of influenza epidemics is well defined with a clear peak around August and September (in rainy season which occurs from July to October). Surprisingly, the first detection of the A(H1N1)pdm09 virus was in January 2010 and rapidly reached a high detection peak between January and February, indicating a real shift in the influenza seasonality in Senegal. Therefore, climatic factors, the host susceptibility seem insufficient to explain the epidemiology of this virus which is quite different as compared to that of seasonal viruses. Intrinsic properties of this virus may play a role in its seasonal behavior. Key words:

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