WHAT IS H1N1?Swine flu is a respiratory disease caused by a new strain of the influenza virus type A. The strain is known as H1N1 and is the same as the one found in seasonal flu outbreaks, except that it contains genetic material found in birds, humans and pigs. It is now a wholly human virus How does it spread?Flu viruses are spread through droplets that fall from your nose and mouth when you c..