Chimbari M J, Chirundu D
Lake Kariba Research Station, PO Box 48, Kariba, Zimbabwe.
Cent Afr J Med. 2003 Jan-Feb;49(1-2):8-12.
To determine the prevalence and intensity of schistosomiasis in urban and peri-urban Kariba.
A cross sectional schistosomiasis survey involving screening people for infection and searching for intermediate host snails.
Lake Kariba Research Station, Zimbabwe.
One thousand and seventy three people living in four residential areas of Kariba were screened for both Schistosoma haematobium and Schistosoma mansoni. Seventeen water contact sites along the shoreline close to the residential areas were surveyed for snails.
Prevalence and intensity of both S. haematobium and S. mansoni and abundance of intermediate host snails at potential transmission sites.
The prevalence of S. haematobium and S. mansoni were 7.2% and 2.1% respectively. More males (8.4%) were infected with S. haematobium than females (5.7%). There was no difference in prevalence of S. mansoni between males (2.2%) and females (2.0%). Most infections of S. haematobium were in the age group of 15 to 19 years while the age distribution pattern for S. mansoni was patchy. Most of the infections detected were light i.e. one to 100 eggs per gram of faeces or less than 50 eggs per 10 ml of urine. Few intermediate host snails for schistosomiais were collected and none of them were infected with human schistosomes.
Prevalence and intensity of schistosomiasis were low and therefore, the disease was not considered to be a major public health problem.
确定卡里巴市区及城郊地区血吸虫病的流行率和感染强度。
一项横断面血吸虫病调查，包括对人群进行感染筛查以及寻找中间宿主螺。
津巴布韦卡里巴湖研究站。
对居住在卡里巴四个居民区的1073人进行了埃及血吸虫和曼氏血吸虫的筛查。对靠近居民区的17个岸边水接触点进行了螺类调查。
埃及血吸虫和曼氏血吸虫的流行率和感染强度，以及潜在传播地点中间宿主螺的丰度。
埃及血吸虫和曼氏血吸虫的流行率分别为7.2%和2.1%。感染埃及血吸虫的男性（8.4%）多于女性（5.7%）。男性（2.2%）和女性（2.0%）的曼氏血吸虫流行率无差异。大多数埃及血吸虫感染发生在15至19岁年龄组，而曼氏血吸虫的年龄分布模式不规律。检测到的大多数感染为轻度感染，即每克粪便中有1至100个虫卵或每10毫升尿液中少于50个虫卵。收集到的血吸虫中间宿主螺很少，且均未感染人体血吸虫。
血吸虫病的流行率和感染强度较低，因此该疾病不被认为是一个主要的公共卫生问题。
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