Swine flu rivals 1957 Asian flu pandemic:
"Press TV
Tuesday, May 12, 2009
While the world races to control the new strain of H1N1 flu virus, researchers recall a rival to the 1957 Asian flu that killed 2 million people globally.
Scientists are trying to find out whether swine flu will transform and become more deadly as it spreads to the Southern Hemisphere.
The virus has been carried around the world by travelers and acts more like a pandemic strain than a regular seasonal flu, said a study led by Neil Ferguson of the Imperial College London published May 11 in the journal Science.
Seasonal flu epidemics cause 250,000 to 500,000 deaths each year, the World Health Organization estimates. According to the latest updates by the WHO as of May 11, 30 countries have officially reported 4694 cases of influenza H1N1 infection since April 2009."
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