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美国卫生研究院文献>BMC Public Health
>Yield of systematic household contact investigation for tuberculosis in a high-burden metropolitan district of South Africa
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Yield of systematic household contact investigation for tuberculosis in a high-burden metropolitan district of South Africa
BackgroundSystematic household contact investigation (SHCI) is recommended as an active-case-finding (ACF) strategy to identify individuals at high risk of tuberculosis (TB) infection, in order to enable early detection and treatment. Reluctance to implement SHCI in sub-Saharan African and South African high-burden contexts may stem from uncertainty about the potential yield of this strategy when targeting specific categories of TB index cases. In order to inform and motivate scale-up, this pilot study investigated the effectiveness of SHCI when targeting the World Health Organization’s (WHO) recommended categories of infectious index cases.
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