You are sure used to hear about Influenza A (H1N1) that is currently sweeping the world. The mass media is now busy reporting on this infectious disease.

Influenza A (H1N1) is an infectious disease which previously never infected people. H1N1 does not have any link with other viruses that causes common flu.

H1N1 virus spreads from human to human. It can be spread through respiratory tract by droplets when coughing or sneezing.