Review Article

Yaws in the Western Pacific Region: A Review of the Literature

Table 5

Summary of yaws reported cases and prevalence surveys in Vanuatu since 1958.

AreaYearPrevalence * Activity typeReference

All areas except Tanna Island195894% of population (estimated)Mass treatmentGeizer, [15]
Tanna Island, TAFEA1985495 cases reportedCases reported from clinic/hospital, followed by mass treatment of villages in North Western TannaHarris et al., [27]
Tanna1988-89Clinical 16.5%
34 of 97 clinical cases were VDRL positive
704Preliminary investigation prior to mass treatment
13 villages and 1 school
Harris et al., [27]
Tanna1989Clinical 1.9%
32 of 189 clinical cases were VDRL positive
18,213Screening concurrent with mass treatment of ~90% of Tanna Island populationHarris et al., [27]
Santo, SANMA200021 clinical cases
20 out of the 21 cases VDRL positive
Preliminary investigation prior to population sample surveyYaws mass campaign SANMA province, final report, [47]
Santo, SANMA2000VDRL positive 20.9%273Sample survey, representative of Santo IslandYaws mass campaign SANMA province, final report, [47]
SANMA2001Clinical 0.7% (96 out of 230 clinical cases were VDRL positive)36,414Screening concurrent with mass treatment of 92.4 + % of SANMA province populationDe Noray et al., [17]
Tanna2007-08789 suspected cases in 2007
187 suspected cases in 2008
Health center/hospital-based casesYaws prevalence survey, Tanna Island, Report, [54]
Tanna200831% positive RDT and/or RDT306Sample survey (30 by 7)Fegan et al., [28]

*The number of persons examined/screened.