Serologic Evidence of Human and Swine Influenza in Mayan Persons

摘要

Antibodies against influenza viruses were detected in115 serum samples from indigenous Mayan persons fromKochol, Yucatán. Seropositivity rates were 26.9% toA/Bayern/7/95, 40.8% to A/Sydney/5/97, 1.7% to A/Swine/Wisconsin/238/97, and 79.1% to A/Swine/Minnesota/593/99. This report is the first in Mexico of the prevalenceof antibodies to swine influenza virus in humans