Transmission (TB)

Another Study Questions DOT's Impact

Published in TB and Outbreaks Week, December 14th, 1998

Directly observed therapy has long been heralded as the most significant weapon in the battle against tuberculosis. Now a report from Baltimore suggests that observed therapy may not be as effective in reducing new transmissions as previously thought.

The Baltimore study, presented by William R. Bishai and colleagues from Johns Hopkins University, is one of several recent reports questioning whether directly observed therapy (DOT) is as effective in slowing the spread of tuberculosis as is widely believed.

Bishai et al. found that recent transmissions in Baltimore, a city with an aggressive DOT program in place, accounted for one-third of newly...

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Source: TB and Outbreaks Week (1998-12-14)

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