Transmission assessment survey (TAS) is done in the following?
Correct Answer: To determine when infections have been reduced below these target thresholds
Description: Ans.A. To determine when infections have been reduced below these target thresholdsWHO recommends the transmission assessment survey (TAS) to determine when infections have been reduced below these target thresholds and MDA can stop.Once MDA has stopped, TAS is used as a surveillance tool to determine that infection levels are sustained below target thresholds.Mass drug administration (MDA) is needed to reduce infection in the community to levels below a threshold at which mosquitoes are unable to continue spreading the parasites from person to person and new infections are prevented.
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