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World 'well prepared' for virus
04-26-2009, 08:02 PM,
#1
World 'well prepared' for virus
Quote: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.

Dr Keiji Fukuda said years of preparing for bird flu had led to improved stocks of anti-virals worldwide.

The World Health Organization (WHO) has warned the outbreak, which it says has killed up to 71 people in Mexico, could become a pandemic.

In the US, about 20 people are infected, but none are seriously ill.

US President Barack Obama was following the situation and has ordered a "very active, aggressive, and co-ordinated response", White House homeland security advisor John Brennan said.

The latest eight cases to be confirmed were among New York students but "there is no need for Americans to panic," White House spokesman Robert Gibbs said.

The other confirmed US cases are seven in California, two in Texas, two in Kansas and one in Ohio.

Passengers screened

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.

The respiratory virus - which infects pigs but only sporadically humans - is spread mainly through coughs and sneezes.

The WHO has warned the virus has the potential to become a pandemic, and has urged all governments to step up surveillance.

Several countries in Asia and Latin America have begun screening airport passengers for symptoms.

Suspected outbreaks

Although all of the deaths so far have been in Mexico, the flu is spreading in the United States and suspected cases have been detected elsewhere:

* Ten New Zealand students who were among a group which travelled to Mexico have tested positive for influenza A - making it "likely", though not definite, that they are infected with swine flu, said Health Minister Tony Ryall
* In France, a top health official told Le Parisien newspaper there were unconfirmed suspicions that two individuals who had just returned from Mexico may 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

Mexico shutdown

The Mexican government, which has faced criticism for what some see as a slow reaction to this outbreak, is now taking an increasingly hard line to try to contain the virus, says the BBC's Stephen Gibbs in Mexico City.

Public buildings have been closed and hundreds of public events suspended.

Schools in and around Mexico City have been closed until 6 May, and some 70% of bars and restaurants in the capital have been temporarily closed.

People are being strongly urged to avoid shaking hands, and the US embassy has advised visitors to the country to keep at least six feet (1.8m) from other people.

Mexico's Health Secretary, Jose Cordova, said a total of 1,324 people had been admitted to hospital with suspected symptoms since 13 April and were being tested for the virus.

Mexico's President Felipe Calderon has announced emergency measures to deal with the situation.

They include powers to isolate individuals suspected of having the virus without fear of legal repercussions.

'International concern'

In the US, seven people in California, two people in Texas, and two people in Kansas have been infected with the new strain.

In New York, city health commissioner Dr Thomas Frieden said preliminary tests conducted on the ailing students showed they were possible cases of swine flu.

Further tests will clarify if it was the same strain that was detected in the other three states.

Following a meeting of its emergency committee on Saturday, the WHO said the virus had the potential to become a pandemic but it was too early to say whether that would happen.

WHO Director General Margaret Chan said recent events constituted "a public health emergency of international concern" and that countries needed to co-operate in heightening surveillance.

The WHO is advising all countries to be vigilant for seasonally unusual flu or pneumonia-like symptoms among their populations - particularly among young healthy adults, a characteristic of past pandemics.

Officials said most of those killed so far in Mexico were young adults - rather than more vulnerable children and the elderly.

There is currently no vaccine for the new strain but severe cases can be treated with antiviral medication.

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.

http://news.bbc.co.uk/1/hi/world/americas/8019566.stm
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