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Using Ziehl-Neelsen-positive slides collected from tuberculosis diagnostic centers in Burkina Faso, we showed that 20% of 80 spoligotyping-positive DNA samples had a characteristic Mycobacterium africanum-specific genomic signature. This result suggests that M. africanum is still present in Burkina Faso at almost the same prevalence as 15-20 years ago.
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Gomgnimbou et al. (2012) studied this question.
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