Reducing TB a matter of life and death

The strategy, called the “3 I's”, includes "Improving TB infection control", "Intensifying efforts to diagnose TB cases", and "Isoniazid for six months" - giving HIV-infected patients six months of Isoniazid, a first-line TB drug, as a preventive therapy.

The approach was widely recognised as effective and feasible, and incorporated into a number of national TB policies, yet TB - the most common and life-threatening opportunistic infection in people living with HIV - claimed the lives of an estimated 230,000 HIV-positive people in 2008, according to WHO.

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