Published in TB and Outbreaks Week, July 24th, 1995
Researcher Kent A. Sepkowitz and colleagues reviewed the purified protein derivative (PPD) status among new hires at a New York City hospital and found that almost half were already positive at employment.
"We have found a high rate of tuberculin reactivity among new employees at (this hospital)," Sepkowitz et al. wrote ("Prevalence of PPD Positivity Among New Employees at a...
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