|
| Area | Year | Prevalence |
*
| Activity type | Reference |
|
| All areas | 1959-60 | 2352 cases | — | Reports | Garner et al., [19] |
| Eastern highlands | 1964-65 | 29.3% | 844 | Serological survey | Garner and Hornabrook, [43] |
| All areas | ~1973 | Fewer than 500 cases annually | — | Reports | Garner et al., [19] |
| All areas | 1973–78 | 500~1000 cases annually | — | Reports | Garner et al., [19] Reid, [18] |
| Karkar Island, Madang Province | 1978 | Clinical 0–27%
Infectious 2–20% | ~1800 | Preliminary survey prior to mass treatment | Reid, [18] |
| Karkar Island | 1978 | Clinical 4.7% | — | Mass treatment of 92–95% of Karkar Island population | Reid, [18] |
| Karkar Island | 1981 | Infectious 0.36%
Noninfectious 2% | — | Survey conducted in randomly selected villages | Reid, [18] |
| Yilui village, West Sepil Province | 1984 | 204 clinical cases | — | Screening concurrent with mass treatment of all villagers | Garner et al., [19] |
| Kiriwina Island, Trobriand Island | 1984-85 | 34 suspected cases
33 out of 49 blood specimen were VDRL positive | — | Cases reported from health centers | Duncan and Alto, [21] |
| Marup village, Karkar Island, and Madang Province | 1988 | Early lesions 6% | 632 | Survey of children (0–15 yo) following outbreak, followed by mass treatment of all villagers Report of decreased sensitivity to penicillin | Backhouse et al., [22] |
| Periurban settlements of Port Moresby | 2000-01 | 494 clinical cases | — | Cases detected at the 9 Mile Clinic | Manning and Ogle, [23] |
| Periurban settlements of Port Moresby | 2001 | Clinical cases 14.5% | 227 | Children under 17 at four settlements (convenient samples) near the 9 Mile Clinic | Manning and Ogle, [23] |
|
