11 Mar '11, 1am

Scientists have warned of the resurgence of an H2N2 flu strain, which younger people are especially vulnerable to

Scientists have warned of the resurgence of an H2N2 flu strain, which younger people are especially vulnerable to

People wearing protective medical masks read the newspaper as they wait at a hospital in Sofia, Bulgaria. Scientists have warned of two possible flu pandemics this year. -- PHOTO: AP PARIS - THE H1N1 flu pandemic that swept the globe in 2009/10 could easily morph into a more transmissible form, while an older, mid-20th century virus could also come roaring back, scientists warned this week in separate studies. The so-called Asian influenza, a H2N2 strain, first appeared in 1957 and killed one to four million people despite a major vaccination campaign. Studies have shown that most people today aged 50 or older retain some immunity to the virus, which continues to circulate in birds and swine. Those younger, however, are acutely vulnerable to H2N2, which increases the chance that the potentially lethal strain will jump back into humans and once again spread across the world...

Full article: http://www.straitstimes.com/BreakingNews/TechandScience/S...

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