A Mexican toddler who came to the United States with his family on a visit has died in Texas of the swine flu, Texas officials said, as President Obama recommended that schools with confirmed or suspected cases of the disease “strongly consider temporarily closing.” In France, the health minister took the extraordinary step of calling for a suspension of all flights from the European Union to Mexico, the epicenter of the outbreak, even as a Mexican health official said that the death toll appeared to be stabilizing.