The World Health Organization has raised its tally of confirmed human cases of swine flu to 8,480 in 39 countries, including 72 deaths. The United States has reported 4,714 laboratory-confirmed cases, including four deaths. Mexico has 2,895 cases and 66 deaths. Canada has 496 cases, with one death. Costa Rica has nine cases and one death. Spain has 103 cases, Britain has 82 and Panama 54. WHO figures often lag behind those given by national health agencies. Japan confirmed 27 more swine flu cases Sunday, bringing its total to 32, and China announced its third case, Associated Press reported.
