The World Health Organization has raised its tally of confirmed human cases of swine flu to 7,520 in 34 countries. The United States has reported 4,298 laboratory-confirmed cases, including three deaths.
Mexico has 2,446 cases and 60 deaths.
Canada has 449 cases, with one death.
Costa Rica has eight cases and one death.
Spain has 100 cases, Britain 71 and Panama 40. Belgium became the latest country to report a case to WHO on Friday.