For Individuals & Families

Why do people usually get influenza during the winter?

Article source: Date time:2009-11-04

  In temperate climates, influenza generally affects people from November to March. It can occur all year round in tropical climates. A possible explanation for the high level of influenza activity during the winter is that the congregation of people indoors facilitates the transmission of the virus and viruses survive longer due to the dry indoor air.