Prevalence and Risk Factors for Borrelia burgdorferi Infection in Mexicali, Baja California, a Mexico- US Border City

Lyme borreliosis is a worldwide zoonotic disease caused by the spirochete Borrelia burgdorferi, which is transmitted by a tick bite, primarily from Ixodes scapularis and Ixodes pacificus . It is characterized by polysystemic disorders. In Mexico, native Lyme disease has been recently reported in humans. In dogs, B burgdorferi infection has been also reported in several areas of the country. In Monterrey, Nuevo Leon, Mexico, a seroprevalence of 16% was observed in dogs (136/850) and molecular evidence