Determining end markers for stopping MDA for Trachoma in Malawi

Currently MDA is stopped when TF in children aged 1-9 years is below 5%. However, the relationship between TF, presence of infection and antibody has not been studied in a sufficient number of settings to enable predictions of outcome to be confidently made based on baseline prevalence, intervention coverage, and the prevalence of disease and infection at the time of impact survey. There are several districts in Malawi with TF prevalence between 5 and 9.9% which are eligible for one year of interventions, including a single round of MDA. This study will add important data to be used to model outcomes of interventions conducted by trachoma elimination programs, and in particular, help develop operational guidelines for stopping MDA.

Sites

Implementation partner(s): Malawi MOH

Implementation partner(s): Malawi MOH

Implementation partner(s): Malawi MOH

Notes

The study area for each of the three districts is 1 EU (24 clusters).

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