Persistent strain of TB is claiming victims on L.A.'s skid row

Public health officials have launched a new, coordinated attack to contain a persistent outbreak of tuberculosis on downtown Los Angeles' skid row, including a search for more than 4,500 people who may have been exposed to the disease.

The Centers for Disease Control and Prevention has dispatched scientists to Los Angeles to help local health officials determine why the disease is spreading and how to stop it.

Officials say 11 have died since 2007. Sixty of the 78 cases were among homeless people who live on and around skid row.

Scientists have recently linked the outbreak to a tuberculosis strain that is unique to Los Angeles, with a few isolated cases outside the area.

"This is the largest outbreak in a decade," said Jonathan Fielding, director of the Los Angeles County Department of Public Health. "We are really putting all of our resources into this."

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