It took only 3 months for the dangerous Influenza A H1N1 virus to spread around the World. That is why the World Health Organization declared it as a pandemic in June 2009, just 3 months after the identification of the virus. In 2013, India has reported 5253 cases of Influenza A H1N1 out of which 699 people died, a case fatality rate of 13.3%. Newer cases of Swine Flu are being diagnosed every day in our country and we need to know something about this virus in order to fight the deadly illness spread by it. In this article, I will be introducing you to the dangerous H1N1 virus, so keep your Masks ready!