On World TB Day, still plenty of work left despite local successes

An X-ray of the chest of a man with tuberculosis. The areas infected with TB bacteria are colored red. Science Photo Library/Corbis

We saw an increase in TB in the United States for the first time in 23 years. In King County, TB isn’t increasing, but our proportion of TB-infected individuals (those who carry a dormant form of TB (“latently-infected”) is higher than Washington’s or any other region in the state.

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