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Article
March 23, 1994

TB in Migrant Farmworkers-Reply

Author Affiliations

Valley Medical Center Fresno, Calif

JAMA. 1994;271(12):905-906. doi:10.1001/jama.1994.03510360029026
Abstract

In Reply.  —Dr Richard's work in Ohio is a valuable contribution to the surveillance of TB among migrant farmworkers. The 11% prevalence of purified protein derivative positivity he reports is surprisingly low. Other studies and surveys have reported positivity rates three to five times higher.1,2 It would have been interesting to know the demographic profile of those tested. In the only population-based study3 using a random sample of migrant farmworkers, among African Americans, we found a purified protein derivative positivity rate of more than 50% and a prevalence of active disease more than 300 times the national average.I agree completely with Dr Richard's conclusion that a national computerized database for migrant farmworkers is needed. The National Migrant Resource Project in Austin, Tex, had been developing plans for such a system, but there has been no funding available for this purpose. I suggest that the Centers for Disease

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