Volume 17, Number 3—March 2011
Research
Elephant-to-Human Transmission of Tuberculosis, 2009
Figure
![Tuberculin skin test (TST) conversion timeline for 13 employees who worked in the quarantine area of an elephant refuge, Tennessee, USA, 2009. Gray, exposure to quarantine barn; black, negative TST result; red, positive TST result; yellow, elephant L positive for Mycobacterium tuberculosis.](/eid/images/10-1668-F1.jpg)
Figure. Tuberculin skin test (TST) conversion timeline for 13 employees who worked in the quarantine area of an elephant refuge, Tennessee, USA, 2009. Gray, exposure to quarantine barn; black, negative TST result; red, positive TST result; yellow, elephant L positive for Mycobacterium tuberculosis.
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