Friday, October 9, 2009

WHO Says It Will Take Years to Downgrade from Pandemic Alert Level

* Pandemic flu could become seasonal-like virus in 2-3 years
* Spread slows with rising immunity from exposure, vaccines
* "No indication" of slowdown so far, nor any big mutations
By Laura MacInnis
GENEVA, Oct 9 (Reuters)-It could take years for the World Health Organisation to downgrade the H1N1 flu from a pandemic to seasonal-like virus, the U.N. agency said on Friday.The WHO moved its six-point pandemic alert level to the top rung in June [ID:nLC321991] in response to the spread of the new virus widely known as swine flu, which has killed at least 4,500 people, especially in North America.WHO spokesman Gregory Hartl said that health warning would stay in place until people can better fend off infection from the H1N1 strain...
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