What is Influenza and Preventive Action for it?

What is Influenza?
As of “20 May 2009 — at 06:00 GMT, 41 countries have officialy report 10,243 cases of influenza A(H1N1) infection, including 80 deaths. Influenza or flu is spreadable disease by the virus influenza. 3 types of virus influenza exist in the population. They are virus A, B & C.
3 types of this can [...]











