30 countries have officially reported 5251 cases of swine flu

As of 06:00 GMT, May 12 2009, 30 countries had officially reported 5251 cases of influenza A (H1N1) infection, or swine flu.

Mexico has reported 2059 laboratory confirmed human cases of infection, including 56 deaths.

The United States has reported 2600 laboratory confirmed human cases, including three deaths.

Canada has reported 330 laboratory confirmed human cases, including one death.

Costa Rica has reported eight laboratory confirmed human cases, including one death.

The following countries have reported laboratory confirmed cases with no deaths - Argentina (1), Australia (1), Austria (1), Brazil (8), China (2, comprising 1 in China, Hong Kong Special Administrative Region, and 1 in mainland China), Colombia (3), Denmark (1), El Salvador (4), France (13), Germany (12), Guatemala (1), Ireland (1), Israel (7), Italy (9), Japan (4), Netherlands (3), New Zealand (7), Norway (2), Panama (16), Poland (1), Portugal (1), Republic of Korea (3), Spain (95), Sweden (2), Switzerland (1) and the United Kingdom (55).

WHO is not recommending travel restrictions related to the outbreak of the influenza A(H1N1) virus.