BBC NEWS | Americas | World 'well prepared' for virus - 0 views
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The international community is better prepared than ever to deal with the threatened spread of a new swine flu virus, a top UN health chief has said
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As the UN warned the outbreak might become a pandemic, Dr Keiji Fukuda said years of preparing for bird flu had boosted world stocks of anti-virals. Canada is the latest country to confirm cases after as many as 81 deaths in Mexico and 20 cases in the US. Washington has warned the flu may yet claim American lives.
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Eight cases have been confirmed among New York students, seven in California, two in Texas, two in Kansas and one in Ohio. Several countries in Asia and Latin America have begun screening airport passengers for symptoms. There is currently no vaccine for the new strain of flu but severe cases can be treated with antiviral medication.
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Officials said most of those killed so far in Mexico were young adults - rather than more vulnerable children and the elderly. It is unclear how effective currently available flu vaccines would be at offering protection against the new strain, as it is genetically distinct from other flu strains.
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Only a handful of the Mexican cases have so far been laboratory-confirmed as swine flu, while in the US confirmed cases had only mild symptoms. Health experts want to know why some people become so seriously ill, while others just get a bit of a cold, the BBC's Imogen Foulkes reports from Switzerland.
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Speaking in Geneva, an expert from the World Health Organization (WHO), the UN's health agency, expert said the swine flu virus could be capable of mutating into a more dangerous strain but that more information was needed before raising the WHO's pandemic alert phase.
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H1N1 is the same strain that causes seasonal flu outbreaks in humans but the newly detected version contains genetic material from versions of flu which usually affect pigs and birds.
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Ten New Zealand students from a group which visited Mexico have tested positive for Influenza A, making it "likely" they are infected with swine flu In France, a top health official told Le Parisien newspaper there were unconfirmed suspicions that two individuals who had just returned from Mexico might be carrying the virus Spain's health ministry says three people who returned from a trip from Mexico with flu symptoms are in isolation and being tested In Israel, medics are testing a 26-year-old man who has been taken to hospital with flu-like symptoms after returning from a trip to Mexico Two people in Queensland, Australia, are being tested in hospital after developing flu-like symptoms on returning from Mexico
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Officials in Mexico confirmed that 20 people had died from the virus while another 61 deaths were suspected cases of swine flu. More than 1,300 people have been admitted to hospital with suspected symptoms since 13 April. With Mexico City apparently the centre of infection, many people are choosing to leave the city, the BBC's Stephen Gibbs reports.
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Dr Fukuda said on Sunday there was no proof that eating pork would lead to infection. "Right now we have no evidence to suggest that people are getting exposed, or getting infected, from exposure to pork or to pigs, and so right now we have zero evidence to suspect that exposure to meat leads to infections," he said.