Today on the radio in the United States reported that no deaths have happened like in Mexico ... because early detection and proper treatment are essential. Reportedly died in Mexico because so many people even had the technology to diagnose early. Besides the high cost of medicines.
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Flu spreads around the world in seasonal epidemics, resulting in the deaths of hundreds of thousands annually — millions in pandemic years. Three influenza pandemics occurred in the 20th century and killed tens of millions of people, with each of these pandemics being caused by the appearance of a new strain of the virus in humans. Often, these new strains result from the spread of an existing flu virus to humans from other animal species. An avian strain named H5N1 had until recently posed the greatest risk for a new influenza pandemic since it first killed humans in Asia in the 1990s. Although H5N1 virus has not mutated to a form that spreads easily between people , in April 2009 a novel H1N1 flu strain that combined genes from human, pig, and bird flu, initially dubbed the "swine flu," emerged in Mexico, the United States, and several other nations. By late April, the H1N1 swine flu was suspected of having killed over 150 in Mexico, and prompted Mexico and U.S. travel advisories.
http://en.wikipedia.org/wiki/Influenza
