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BUT
there is clustering among FB TB
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– |
El Sahly et al., 2001: 30% of FB TB in
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Houston
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Ellis BA et al., 2002: 35% of FB TB
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l |
AR,
MD, MS, MI, NJ, Dallas plus 3 Counties in
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TX;
and 6 Counties in CA
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Recent
transmission?
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| l |
Limited
genetic diversity in the country of
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origin
(founder effect)?
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