Wilkinson P J, Pegram R G, Perry B D, Lemche J, Schels H F
AFRC Institute for Animal Health, Pirbright, Surrey, UK.
Epidemiol Infect. 1988 Dec;101(3):547-64. doi: 10.1017/s0950268800029423.
African swine fever (ASF) has been reported in the Eastern Province of Zambia since 1912 and is now considered to be enzootic there. A survey of the distribution of ASF virus in Zambia was carried out by virus isolation from Ornithodoros moubata ticks collected from animal burrows in National Parks and Game Management Areas in northern, eastern, central and southern Zambia. ASF virus was isolated from ticks in all areas examined. The prevalence of infection in O. moubata was between 0.4% in South Luangwa National Park and 5.1% in Livingstone Game Park and mean infectious virus titres ranged from 10(3.4) HAD50/tick in Kakumbe Game Management Area to 10(5.9) HAD50/tick in Chunga and Nalusanga Game Management Areas. The prevalence of infection in adult ticks was between 4.7% and 5.3% in all areas examined except Sumbu National Park and Livingstone Game Park, where the prevalence was 15.1% and 13.2% respectively in adult ticks. The ratio of infected females to males for all the infected adult ticks in all areas of Zambia was 3.2:1.
自1912年以来，赞比亚东部省份已报告发生非洲猪瘟（ASF），目前该病在当地被认为是地方流行性疾病。通过从赞比亚北部、东部、中部和南部的国家公园及野生动物管理区动物洞穴中采集的莫氏钝缘蜱（Ornithodoros moubata）进行病毒分离，对赞比亚非洲猪瘟病毒的分布进行了一项调查。在所有检查区域的蜱中均分离出了非洲猪瘟病毒。莫氏钝缘蜱的感染率在南卢安瓜国家公园为0.4%，在利文斯通野生动物公园为5.1%，平均感染病毒滴度范围从卡昆贝野生动物管理区的10(3.4) HAD50/蜱到琼加和纳卢桑加野生动物管理区的10(5.9) HAD50/蜱。在所有检查区域中，除了松布国家公园和利文斯通野生动物公园外，成年蜱的感染率在4.7%至5.3%之间，在这两个公园成年蜱的感染率分别为15.1%和13.2%。赞比亚所有地区所有感染成年蜱中，感染雌蜱与雄蜱的比例为3.2:1。
