Mexico’s Health Secretary Jose Angel Cordova told reporters a sample taken from a 4-year-old boy in Mexico’s Veracruz state in early April tested positive for swine flu.

However, it is not known when the boy became infected.

As far back as late March, roughly one-sixth of the members of this community of 3,000 in the Gulf coast state began suffering from severe respiratory infections…

Martinez and Bertha Crisostomo, a liaison between the villagers and the municipal government of Perote to which La Gloria belongs, say half of the people from the town live and work in Mexico City most of the week.