AMERICAN ASSOCIATION OF PHYSICAL ANTHROPOLOGISTS MEETING:
Tuberculosis Jumped From Humans to Cows, Not Vice Versa
Ann Gibbons
At the American Association of Physical Anthropologists meeting, a DNA study showed that early humans were infected with strains of Mycobacterium tuberculosis, which cause tuberculosis, long before they began herding cattle, suggesting that it was humans who transmitted the disease to bovids and other animals.