| Influenza (or as it is commonly known, the flu or the grippe) is a contagiousdisease caused by an RNA virus of the orthomyxoviridae family. It rapidly spreads around the world in seasonal epidemics, imposing considerable economic burden in the form of health care costs and lost productivity. Major genetic changes in the virus have caused three influenza pandemics in the 20th century, killing many millions of people |
Got Cold Again