|
Area | Year | Prevalence |
*
| Activity type | Reference |
|
All areas except Tanna Island | 1958 | — | 94% of population (estimated) | Mass treatment | Geizer, [15] |
Tanna Island, TAFEA | 1985 | 495 cases reported | — | Cases reported from clinic/hospital, followed by mass treatment of villages in North Western Tanna | Harris et al., [27] |
Tanna | 1988-89 | Clinical 16.5% 34 of 97 clinical cases were VDRL positive | 704 | Preliminary investigation prior to mass treatment 13 villages and 1 school | Harris et al., [27] |
Tanna | 1989 | Clinical 1.9% 32 of 189 clinical cases were VDRL positive | 18,213 | Screening concurrent with mass treatment of ~90% of Tanna Island population | Harris et al., [27] |
Santo, SANMA | 2000 | 21 clinical cases 20 out of the 21 cases VDRL positive | — | Preliminary investigation prior to population sample survey | Yaws mass campaign SANMA province, final report, [47] |
Santo, SANMA | 2000 | VDRL positive 20.9% | 273 | Sample survey, representative of Santo Island | Yaws mass campaign SANMA province, final report, [47] |
SANMA | 2001 | Clinical 0.7% (96 out of 230 clinical cases were VDRL positive) | 36,414 | Screening concurrent with mass treatment of 92.4 + % of SANMA province population | De Noray et al., [17] |
Tanna | 2007-08 | 789 suspected cases in 2007 187 suspected cases in 2008 | — | Health center/hospital-based cases | Yaws prevalence survey, Tanna Island, Report, [54] |
Tanna | 2008 | 31% positive RDT and/or RDT | 306 | Sample survey (30 by 7) | Fegan et al., [28] |
|