Scientists believe they have discovered why the Flu spreads best during in winter and the reason may lie with a protein laced fatty coating (coloured orange, pictured right) on the virus.
During warmer weather this protein coat stays melted as it travels through the air allowing it to dry out and weakening the virus. However during colder weather the coating hardens protecting it and allowing it a greater chance of survival. The virus must then enter the liquid state in order to infect cells and does so using body heat once breathed in.
It is hoped that this knowledge will lead to more effective ways of fighting the flu.