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Volume 28, Number 9—September 2022
Research

Quantifying Population Burden and Effectiveness of Decentralized Surveillance Strategies for Skin-Presenting Neglected Tropical Diseases, Liberia

Joseph W.S. TimothyComments to Author , Emerson Rogers, Katherine E. Halliday, Tarnue Mulbah, Michael Marks, Zeela Zaizay, Romeo Giddings, Marie Kempf, Estelle Marion, Stephen L. Walker, Karsor K. Kollie, and Rachel L. Pullan1
Author affiliations: London School of Hygiene and Tropical Medicine, London, UK (J.W.S. Timothy, K.E. Halliday, M. Marks, S.L. Walker, R.L. Pullan); Ministry of Health, Monrovia, Liberia (E. Rogers, T. Mulbah, Z. Zaizay, R. Giddings, K.K. Kollie); Hospital for Tropical Diseases, London (M. Marks, S.L Walker); Université d’Angers, Angers, France (M. Kempf, E. Marion); Centre Hospitalier Universitaire Angers, Angers (M. Kempf)

Main Article

Figure 5

Comparison of cases of skin-presenting neglected tropical diseases before and after survey Maryland County, Liberia. A) Survey cases previously unknown to the health system; B) annual new case detection rates from routine health system records extracted from the 12 months before survey implementation. Note that plots are comparing point prevalence (A) with annual new case detection rates (B). Routine diagnosis is limited to clinical suspicion for Buruli ulcer. If survey estimates are extended to include all clinically suspected cases of Buruli ulcer, we estimate a countrywide prevalence of 32.4 (95% CI 27.4–37.3) previously unknown cases/10,000 persons.

Figure 5. Comparison of cases of skin-presenting neglected tropical diseases before and after survey Maryland County, Liberia. A) Survey cases previously unknown to the health system; B) annual new case detection rates from routine health system records extracted from the 12 months before survey implementation. Note that plots are comparing point prevalence (A) with annual new case detection rates (B). Routine diagnosis is limited to clinical suspicion for Buruli ulcer. If survey estimates are extended to include all clinically suspected cases of Buruli ulcer, we estimate a countrywide prevalence of 32.4 (95% CI 27.4–37.3) previously unknown cases/10,000 persons.

Main Article

1These authors contributed equally to this article.

Page created: July 02, 2022
Page updated: August 19, 2022
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