Table 4.
Citation | Study date | Study location | Type of study | Details | Sample size | Overall prevalence; additional observations |
---|---|---|---|---|---|---|
Erhart et al. (2002) | 1999 | Bac Ninh (Red River Delta) | Survey using serum cysticercosis prevalence | Healthy individuals, all ages | 210 | 5.7%; 5/12 seropositive individuals reported history of epilepsy. |
Verle et al. (2003) | 1999 | Hoa Binh (north-western Vietnam) | Survey of gastrointestinal helminth infection | 6 ethnic groups | 526 households (2,522 samples) | Taenia eggs detected in 0.1% stool samples. One person had subcutaneous nodules that were diagnosed as cysticercosis by biopsy |
Somers et al. (2007) | 2002–2003 | Northern Vietnam (14 provinces) | Hospital-based | Patients | 65 patients from 14 hospitals | 55.4% specimens identified as T. asiatica; 38.5% T. saginata and 6.2% T. solium tested by mitochondrial 12S rDNA by PCR |
Somers et al. (2006) | 2003–2004 | Bac Kan (far northern province); Ha Tinh (central Vietnam); Hai Duong (Red River Delta) | Survey using serum (prevalence of cysticercosis) and faeces (prevalence of taeniasis) |
Healthy individuals from 3 areas: 1. Bac Kan (rural, mountainous) 2. Ha Tinh (rural, coastal) 3. Hai Duong (peri-urban, costal) |
303 (mountainous region); 179 (rural coastal region); 229 (peri-urban, coastal region) |
Study investigating helminth infections. 5.3% (Bac Kan); 0.6% (Ha Tinh); 0% (Hai Duong) |