Table 2 The Mf rate and disease rate reported from various studies in Tonga
From: Elimination of lymphatic filariasis as a public health problem from Tonga
Place | Year | No of people tested for Mf | Mf rate (%) | Author |
|---|---|---|---|---|
Nomuka | 1896 | Data not available | 28.8 | Thorpe, 1896, in [1] |
Lifuka | 1896 | Data not available | 46.9 | Thorpe, 1896, in [1] |
Vava’u | 1896 | Data not available | 20.0 | Thorpe, 1896, in [1] |
Tongatapu | 1896 | Data not available | 29.2 | Thorpe, 1896, in [1] |
Tongatapu | 1925 | Data not available | 13.5 | Hopkins, 1925, in [6] |
Ha’apai | 1925 | Data not available | 14.3 | Hopkins, 1925, in [6] |
Vava’u | 1925 | Data not available | 46.2 | Hopkins, 1925, in [6] |
Tongatapu | 1957 | Data not available | 28.2–48.5 | Tapa, 1957, in [10] |
Vava’u | 1957 | Data not available | 49.6 | Tapa, 1957, in [10] |
Hihifo village in Niuatoputapu | 1970 | 680 (all age groups) | 16.4 (blood smear) | [11] |
Hihifo village in Niuatoputapu | 1970 | 55 (children of 5–9 years) | 71.0 (membrane filtration) | [11] |
Te’ekiu village, Tongatapu island | 1976 | 297 | 45.0 (combined for both the areas) | Desowitz et al. 1976 [2] |
Pangai Island, Ha’apai group | 309 | |||
Entire country | 1976 | 9882 | 17.4 | Country report cited in The PacELF Way, WHO, 2006 [4] |
Entire countrya | 1979 | 9676 | 1.0 | Country report cited in The PacELF Way, WHO, 2006 [4] |
Some areas of the country | 1983–1984 | 4875 | 0.4 | Country report cited in The PacELF Way, WHO, 2006 [4] |
Tongatapu (Vaiola Hospital and Lapaha, Vaini, Fua’amotu and Houma health centres) | 1998–1999 | 1584 | 0.6 | MOH, 1999, unpublished data [12] |