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Mexico flu sparks worldwide fear Mexico flu sparks worldwide fear
(about 3 hours later)
Mexican authorities have taken drastic measures to contain a new strain of the swine flu virus that has killed 81 and prompted fears of a global pandemic.Mexican authorities have taken drastic measures to contain a new strain of the swine flu virus that has killed 81 and prompted fears of a global pandemic.
People are being urged to stay at home and maintain strict personal hygiene. Many schools, public buildings, bars and restaurants have been closed. The World Health Organization (WHO) says the situation remains serious but "the picture is evolving".
Non-fatal cases have been confirmed in the US and are likely in New Zealand. Several countries have reported suspected cases of infection - the latest were eight students in New York who were confirmed to have swine flu.
The World Health Organization (WHO) has confirmed that at least some of the cases are a new strain of the virus. But US cases of infections had not had contact with pigs, the WHO said.
SWINE FLU Swine flu is a respiratory disease found in pigsHuman cases usually occur in those who have contact with pigsHuman-to-human transmission is rare and such cases are closely monitored Q&A: Swine flu UK monitoring swine flu outbreakSWINE FLU Swine flu is a respiratory disease found in pigsHuman cases usually occur in those who have contact with pigsHuman-to-human transmission is rare and such cases are closely monitored Q&A: Swine flu UK monitoring swine flu outbreak
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.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 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.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.Several countries in Asia and Latin America have begun screening airport passengers for symptoms.
Suspected outbreaksSuspected 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: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:
Susan Watts, BBC Science editor The next few days and weeks will be crucial. One possibly hopeful sign is that of the eight cases in the US there has been only one hospitalisation, and no deaths. So it may turn out that there is some other kind of infection at work in Mexico, as well as the new flu virus. Read Susan's thoughts in full
  • Eleven confirmed infections in the US
  • In addition, eight suspected cases are being investigated at a New York City high school where about 200 students fell mildly ill with flu-like symptoms
  • Ten New Zealand students are 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
  • But a UK hospital conducting tests for swine flu on a British Airways cabin crew member said the tests proved negative.
Susan Watts, BBC Science editor The next few days and weeks will be crucial. One possibly hopeful sign is that of the eight cases in the US there has been only one hospitalisation, and no deaths. So it may turn out that there is some other kind of infection at work in Mexico, as well as the new flu virus. Read Susan's thoughts in full
  • Eleven confirmed infections in the US
  • In addition, eight suspected cases are being investigated at a New York City high school where about 200 students fell mildly ill with flu-like symptoms
  • Ten New Zealand students are 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
  • But a UK hospital conducting tests for swine flu on a British Airways cabin crew member said the tests proved negative.
Mexico shutdownMexico 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.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.Public buildings have been closed and hundreds of public events suspended.
There is a sense of chaos in hospitals and we do not know what to do BBC reader Antonio Chavez, Mexico City Read more experiences Send us your commentsThere is a sense of chaos in hospitals and we do not know what to do BBC reader Antonio Chavez, Mexico City Read more experiences Send us your comments
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.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.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 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.
"In that same period, 81 deaths were recorded probably linked to the virus but only in 20 cases we have the laboratory tests to confirm it," he said."In that same period, 81 deaths were recorded probably linked to the virus but only in 20 cases we have the laboratory tests to confirm it," he said.
Mexico's President Felipe Calderon has announced emergency measures to deal with the situation.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.They include powers to isolate individuals suspected of having the virus without fear of legal repercussions.
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In Mexico, face masks are handed out, while the head of the WHO voices concernIn Mexico, face masks are handed out, while the head of the WHO voices concern
'International concern''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 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.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.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.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.
FLU PANDEMICS 1918: The Spanish flu pandemic remains the most devastating outbreak of modern times - infecting up to 40% of the world's population and killing more than 50m people, with young adults particularly badly affected 1957: Asian flu killed two million people. Caused by a human form of the virus, H2N2, combining with a mutated strain found in wild ducks. The elderly were particularly vulnerable 1968: An outbreak first detected in Hong Kong, and caused by a strain known as H3N2, killed up to one million people globally, with those over 65 most likely to dieFLU PANDEMICS 1918: The Spanish flu pandemic remains the most devastating outbreak of modern times - infecting up to 40% of the world's population and killing more than 50m people, with young adults particularly badly affected 1957: Asian flu killed two million people. Caused by a human form of the virus, H2N2, combining with a mutated strain found in wild ducks. The elderly were particularly vulnerable 1968: An outbreak first detected in Hong Kong, and caused by a strain known as H3N2, killed up to one million people globally, with those over 65 most likely to die
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.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.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.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.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.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.
Are you in Mexico or the US? Do you know someone who has been affected by the outbreak? Tell us your experiences by filling in the form below.Are you in Mexico or the US? Do you know someone who has been affected by the outbreak? Tell us your experiences by filling in the form below.
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The BBC may edit your comments and not all emails will be published. Your comments may be published on any BBC media worldwide. Terms & ConditionsThe BBC may edit your comments and not all emails will be published. Your comments may be published on any BBC media worldwide. Terms & Conditions