Genetic Diversity and Potential Paths of Transmission of in the Amazon: The Discovery of Lineage Lb1 Circulating in South America.

Bovine tuberculosis (bTB) has yet to be eradicated in Brazil. Herds of cattle and buffalo are important sources of revenue to people living in the banks of the Amazon River basin. A better understanding of populational structure and transmission dynamics affecting these animals can significantly contribute in efforts to improve their sanitary status.