H1N1 virus(or influenza A)is a disease that spread around the world in may 11 2009.Influenza A was a animal disease that mainly infected pigs so,this is how the virus got its name.When the virus cell infected a human,it gets worst.The virus then turns into a unknown virus.It is a airborne virus and spreads through the air.The virus is in japan,Malaysia and Mexico.People prevent it by covering their mouths,noses when they cough or sneeze.Taking your temperature helps because fever is a h1n1 virussymptom.In Singapore,tourist have their temperature taken before they can lave the airport.To prevent spreading of the virus,I take my temperature often.