Swine influenza apearing make people all over the world worry,because people are infected by which,and there were many people death in many country,Swine influenza which is a disease is caused by a virus,people with this virus will infect others by air,infection space is fast,so these virus exist in all countrys.which virliate easily, it is difficult to control them spread by medicine, and people infected more and more.

  Yes ,Swine influenza firstly apeared in Mexico, only some month, wherever them exist. it is terrible.there were four students being isolated in our major,who had symptom as the same as swine influenza.and in my dormitory we catched cold,i were afraid we were infected,so i went to hospital to see doctor,i was not relaxation until the result proved that i had uasul cold,i thought we are well , we were only infacted by influenza,not by swine influenza,maybe we were doubt too much.

   today ,medicine of Swine influenza have been invented.so we needn't  very worry,we have a cold and don't feel comfortable,it is advisable to see doctor.though we had swine influenza,we can be treated earier.