For four decades, until 2000, the world health oÙ¹cialsͤ slogan was health for everyone and they were trying to achieve the eradication of infectious diseases while, the whole world is witnessing developing epidemic and pandemic emerging diseases like SARS (2003), ,nfluenza (H1N1 in 2009, H5N1 in 2003 and H7N9 in 2013), cholera (2010), Ebola in West Africa (2014) and AIDS. Over the past three decades, more than 30 new diseases have threatened the health of the inhabitants of the earth. Some of them were emerging diseases, some were rising diseases and re-emerging ones and some infectious diseases added to the list in the category of disappeared [1]. Regardless of economic status, this epidemic can be a threat to all countries of the world. Нe human cost and survivors’ injuries are unmeasurable. According to the latest report of WHO, 61% of infectious diseases and 75% of emerging diseases are zoonotic [2