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Influenza A/H1N1 - time line
Follow the swine flu (influenza A/H1N1) as it expands with reported cases from many parts of the World.
Swine flu
Swine flu

1 May 2009
The W.H.O. reports 331 cases worldwide of which 141 is in the United States and 28 in Europe. So far only one death has been recorded outside Mexico.

29 april 2009
The W.H.O. raise the world influenza pandemic alert from level 4 to level 5.

28 April 2009 
The A/H1N1 influenza (swine flu) continues to spread worldwide with cases confirmed in New Zealand and Israel. New cases are reported from New York and California, and the total number of cases reported in the United States is now 64.


The W.H.O. raise the world influenza pandemic alert to level 4, the last level before declaring a pandemic.

27 April 2009

The number of laboratory confirmed cases in the United States is now 40. The cases continues to be mild and no further cases has been reported from new localities. Six cases, two from British Columbia and four from Nova Scotia, Canada, have been identified by the 26 April but none today. 
Two people in the United Kingdom are confirmed with influenza A/H1N1 after returning from a vacation in Mexico, and one person returning from Mexico to Spain has been confirmed infected. 
In Mexico the number of deaths due to suspected influenza A/H1N1 has increased to 149, but only 26 cases have been laboratory confirmed. 

26 April 2009
Mexico report more than 1300 cases with 81 deaths due to the new influenza virus.  The Mexican authorities also inform that at least 19 out of 31 provinces have reported suspected influenza cases.
Eight students from the high school in Queens have been confirmed to be infected with the new A/H1N1 virus. One case is found in Ohio, USA.  Four cases are diagnosed at Nova Scotia, Canada. 

More swine flu in USA, WHO declaration - 25 April 2009
New cases are found in Kansas, USA, and a high school in Queens, New York, report cases of influenza like illness. A school class from New Zealand who has visited Mexico report cases of influenza like illness Upon the advice of the Emergency Committee called under the rules of the International Health Regulations, the Director-General of the W.H.O.  declared a Public Health Emergency of International Concern. 

Southern United States registers Swine flu - 24 April 2009
The United States has registered 7 laboratory confirmed cases of a new influenza A/H1N1 strain never seen in humans or animals before. At the same time laboratory typing of some Mexican influenza isolates show that the virus is identical to the virus found in southern United States, and it is suspected that there is a larger outbreak with a new influenza virus. 

First swineflu in Mexico - 18 March 2009
The first cases of influenza like illness are registered in Mexico and interpreted as an outbreak of seasonal epidemic flu. 

Updated: 27 April 2009

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