New York researchers tell us that winter months foster the spread of flu virus because of the construct of the virus itself. The virus is more stable and remains airborne longer when the air is cold and dry. This describes our winter conditions exactly, and explains why these months see an increase in influenza type illness.
Influenza is more likely to be transmitted during winter on the way to work and school than it is in a warm room says the chairman of the microbiology department at Mount Sinai School of Medicine, Peter Palese.
This reinforces the reminders of infection prevention: wash your hands frequently, cough and sneeze into your sleeve (rather than into your hand), dispose of used tissues immediately, and if possible, avoid face-to-face contact with people suffering from influenza.