Table 2.
Country | Number of casesa
|
Prevalence of yaws lesions in cross-sectional surveys
|
|||
---|---|---|---|---|---|
Year of report | Number | Year of survey | Sample size/district | Prevalence, % (95% CI) | |
Africa | |||||
Benin | 2012 | 11 | 2013 | 900 (Toffo, Ze, Allada)c | 1.1 (0.8–1.3) |
Cameroon | 2012 | 16 | 2012 | 1,075 (Lomie) | 9 (7.5–10.9) |
Central African Republic | 2012 | 230 | 2012 | 2,030 (Lobaye)d | 11.3 (10.2–12.8) |
Republic of the Congo | 2012 | 197 | 2013 | 6,215 (Bétou, Enyelle) | 2.9 (2.6–3.4) |
Côte d’Ivoire | 2012 | 2,864 | 2007 | 2,182 | 0.5 (0.28–0.90) |
Democratic Republic of the Congo | 2008 | 383 | 2012 | 1,176 (Wasolo) | 4.7 (3.7–6.1) |
Ghana | 2012 | 9,356 | 2008 | ND | 0.68 (NA) |
Togo | 2012 | 5 | 1994 | ND | 0.23 (NA) |
South East Asia | |||||
Indonesia | 2012 | 3,476 | 1991 | 37,000 (Sumatra) | 0.31 (0.26–0.37) |
Timor Lesteb | NA | ND | 2010 | 1,535 (Oe-cusse) | 0.39 (0.18–0.85) |
Pacific | |||||
Papua New Guinea | 2012 | 17,560 | 2001 | 227 (Port Moresby) | 14.5 (10.5–19.7) |
Solomon Islands | 2012 | 12,372 | 2007 | ND | 0.4 (NA) |
Vanuatu | 2012 | 1,718 | 1989 | 20,200 (Tanna) | 2.3 (2.1–2.5) |
Notes:
Number of cases of yaws more recently reported by country; adapted with permission from http://www.who.int/yaws/epidemiology/en/;
country where yaws is known to be endemic but with no incidence data available between 2008 and 2012;
Ayelo G, personal communication, 2013;
Boua B, personal communication, 2013. Data from WHO,2 Global Health Observatory Data Repository: Yaws,8 Coldiron et al,14 Manirakiza et al,15 Edorh et al,21 Akogun et al,23 Backhouse et al,28 Mitjà et al,31 de Noray et al.36
Abbreviations: CI, confidence interval; NA, not applicable; ND, no data.