Monitoring trachoma transmission with antibody data requires characterization of decay in IgG to antigens. In a three-year longitudinal cohort in a high transmission setting, we estimated a median IgG half-life of 3 years and a seroreversion rate of 2.5 (95% CI: 1.6, 3.5) per 100 person-years.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9934712PMC
http://dx.doi.org/10.1101/2023.02.04.23285360DOI Listing

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