The World Health Organization says in itsthat 21 countries have officially reported 1124 cases of influenza A (H1N1) infection. The cases include 26 confirmed deaths – 25 in Mexico and 1 in the United States.
Mexico has reported 590 laboratory confirmed human cases of infection, including 25 deaths. The United States has reported 286 laboratory confirmed human cases, including one death.
The following countries have reported laboratory confirmed cases with no deaths – Austria (1), Canada (140), China, Hong Kong Special Administrative Region (1), Costa Rica (1), Colombia (1), Denmark (1), El Salvador (2), France (4), Germany (8), Ireland (1), Israel (4), Italy (2), Netherlands (1), New Zealand (6), Portugal (1), Republic of Korea (1), Spain (54), Switzerland (1) and the United Kingdom (18).
The latest WHO update can be found here.. WHO also has provided a that shows the cases as of May 4th. More h1n1 resources can be found
WHO’s influenza pandemic alert raised from phase 4 to 5 but they have not yet upgraded it to phase 6.