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Impact of an instructional video for TB case detection in Tanzania

Health & Psychology Tanzania

Picture Credit: Ifakara Health Institute- TB unit

Tanzania is among 30 countries in the world with high TB burden. The National TB Prevalence survey indicates that case detection rate of infectious TB might be as low as 50%, possibly due to poor knowledge of sputum production among patients. Unlike saliva, which is produced in the mouth, sputum is a mucousy substance which originates in the respiratory tract and requires steps such as a deep cough to properly produce. The sputum instruction methods are crucial, as the performance of laboratory testing to detect the bacterium that causes TB in humans largely depends on the quality of sputum samples collected. The research team will use an RCT to study the impact of instructional videos on sputum production and submission.

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