Figure 4From: Genetic diversity of the Mycobacterium tuberculosis Complex in San Luis Potosí, MéxicoGeographic distribution of the Euro-American and other MTC lineages found. (A) Distribution of the Euro-American lineage. (B) Distribution of the EAI, Beijing and Bovis lineages. The symbols indicate the localities with PTB cases associated to each lineage; the area of each circle is proportional to the number of cases per locality.Back to article page