Wyeth Pharmaceuticals S. de R.L de C.V.

Mexican company of Wyeth, the American pharmaceutical group that Pfizer bought in 2009, which continues as a legal entity within Pfizer's Mexican operations. Held the marketing authorisations and business of Wyeth's medicines, vaccines and consumer health products in Mexico, including the vaccines and nutrition lines that passed to Pfizer and Nestlé after the acquisition, with regulatory and pharmacovigilance responsibilities for the Mexican market.