Volume 15, Number 2—February 2009
Dispatch
Vaccine-induced Immunity Circumvented by Typical Mycobacterium tuberculosis Beijing Strains
Figure 2

Figure 2. Proportion of atypical Beijing strains among persons with Mycobacterium tuberculosis Beijing clade strains in Vietnam, the Netherlands, and Hong Kong, by patient age. The data point of the >75-year age category from the data from Vietnam was omitted because the group contained only 1 patient.