From 1997 to 2000,
Mycobacterium tuberculosis
was diagnosed in two Asian elephants (
Elephas maximus
), three Rocky Mountain goats (
Oreamnos americanus
), and one black rhinoceros (
Diceros bicornis
) in the Los Angeles Zoo. DNA fingerprint patterns suggested recent transmission. An investigation found no active cases of tuberculosis in humans; however, tuberculin skin-test conversions in humans were associated with training elephants and attending an elephant necropsy.
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