| CDC studies of registry data (1) |
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| l | McKenna MT, McCray E, Onorato I. The |
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| epidemiology of TB among foreign-born |
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| persons in the US, 1986-1993. (NEJM 1995). |
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| – | 55%
of cases diagnosed < 5 yrs; 30% < 1 yr post- |
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| arrival |
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| – | More
cases in younger immigrants than older |
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| immigrants,
but lower case rate: cohort effect? |
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| – | Largest
relative difference between US-born and FB |
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| TB
rates is among aged <15 yrs |
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| – | substantial recent transmission around time
of |
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| immigration
(pre and post) |
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