No sick pigs ... but Baxter International has a lab in Veracruz, where the contagion began ... - AC
" ... the Mexican government has dismissed the Perote outbreak as the source of the illness, arguing that all but one of the 20 or so victims tested positive for another type of human flu virus known as H3N2. A 4-year-old boy later tested positive for the H1N1 swine flu.
"Mexican agriculture officials say they inspected pig farms around the town over the weekend and found no pigs infected with respiratory ailments. No infected pigs have been found anywhere in Mexico, the government said in a statement on Tuesday."