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Influenza A/H1N1: 29 april
29 April 2009
The situation continues to evolve rapidly. As of 19:00 GMT, 29 April 2009, nine countries have officially reported cases of swine influenza A/H1N1 infection. The United States Government has reported 91 laboratory confirmed human cases, with one death. Mexico has reported 26 confirmed human cases of infection including seven deaths. The following countries have reported laboratory confirmed cases with no deaths - Austria (1), Canada (13), Germany (3), Israel (2), New Zealand (3), Spain (4) and the United Kingdom (5). WHO advises no restriction of regular travel or closure of borders. It is considered prudent for people who are ill to delay international travel and for people developing symptoms following international travel to seek medical attention, in line with guidance from national authorities. 
Source:  W.H.O. and  All W.H.O.updates

United States 
Today, the CDC reports additional confirmed human infections, hospitalizations and the nation’s first fatality from this outbreak. The more recent illnesses and the reported death suggest that a pattern of more severe illness associated with this virus may be emerging in the U.S. Most people will not have immunity to this new virus and, as it continues to spread more cases, more hospitalizations and more deaths are expected in the coming days and weeks., The swine influenza A (H1N1) virus is susceptible to the prescription antiviral drugs oseltamivir and zanamivir. This is a rapidly evolving situation and CDC will provide updated guidance and new information as it becomes available. 
Source:  CDC

Origin of the A/H1N1 influenza There is a discussion on the origin of the new influenza A/H1N1 strain, and it is suggested that it is a development of influenza A/H1N1 circulating in swine in North America since 1998. 
Source: ProMED 

Comment on influenza A/H1N1 (Swine flu)
Most countries recommends that travel to Mexico is restricted to vital visits, but the WHO advises no restriction of regular travel or closure of borders. 
Visitors to areas with the virus should be provided with Tamilflu or Relenza for standby, emergency treatment. 

There is very much uncertainty on the number of sick and fatal cases from Mexico. The number of deaths with confirmed A/H1N1 has decreased from 20 yesterday to 7 today reflecting that we really have no idea how serios the infection is in Mexico. The number of reported cases must also be a gross underestimation of the real numbers, but it seems that the epidemic in Mexico may be slowing down. The numbers from the next few days will show this. 

The situation in the United States is worrying and it seems that local transmission is now taken place.