Swine Flu – Explain, why, when, how? – Fact of The day

This post explains how, when, why, swine flu is caused and how you can prevent Swine flu.

Swine influenza (also called swine flu, hog flu, and pig flu) refers to influenza caused by those strains of influenza virus that usually infect pigs and are called swine influenza virus (SIV). Swine influenza is common in pigs in the mid-western United States (and occasionally in other states), Mexico, Canada, South America, Europe (including the United Kingdom, Sweden, and Italy), Kenya, Mainland China, Taiwan, Japan and other parts of eastern Asia.

Transmission of Swine Influenza Virus from pigs to humans is uncommon. When it results in human influenza, it is called zoonotic swine flu.

Read more about it over at explain stuff site.