Integrated Transmission Assessment Surveys (iTAS) and Onchocerciasis evaluation in areas of Co-Endemicity for both infections in Tanzania

To determine the validity and programmatic feasibility of an integrated transmission assessment survey (F-TAS), to be used to simultaneously assess Onchocerciasis (Oncho) and Lymphatic Filariasis (LF) prevalence in areas co-endemic for the two infections that have completed the recommended treatment for one or both infections.


Sample size: 3 400
WHO Region: AFRO


Sample size includes 600 participants during the pre-TAS and 3,000 during the TAS. Infection will also be assessed in more than 6,000 black flies.

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