Table 1.
Country | Prevalence (%) | References |
---|---|---|
India (Hills) | 25–100 | Sharma et al. (1989) |
India (Plains) | 13–60 | Roy and Tandon (1992); Garg et al. (2009) |
Nepal | 34–100 | Spithill et al. (1999) |
Iran | 27–91 | Sahba et al. (1972) |
China | 10 | Spithill et al. (1999) |
Egypt | 11–88 | El-Azay and van Veen Schillhorn (1983) |
Indonesia | 25–90 | Spithill et al. (1999) |
Phillipines | 34–100 | Spithill et al. (1999) |
Nigeria | 65 | van veen Schillhorn (1980) |
West Africa | Upto 97 | van veen Schillhorn (1980) |
Vgarida | Upto 97 | Okao (1984) and Fabiyi (1987) |
Ethiopia | 30–90 | Fabiyi (1987) |