本文系由公共卫生和医院实验室以及医疗保健人员、环境卫生工作者于一九八一年向伦敦传染病监测中心提交报告的汇总.当年报告细菌性食物中毒和沙门氏菌感染10,665例,与一九八0年几乎相等.鼠伤寒沙门氏菌感染发生率自一九七七年以来似有逐年上升的趋势,哈达尔沙门氏菌感染一九七九年达高峰后乃继续下降,其它血清型沙门氏菌感染与1980年相比下降了4%. This article is a collection of reports submitted by public health and hospital laboratories, health care workers and environmental health workers to the London Infectious Disease Surveillance Center in 1981. The year reported 10,665 cases of bacterial food poisoning and Salmonella infection, Almost equal in 1980. The incidence of Salmonella typhimurium infection appears to have been increasing year by year since 1977. Salmonella Hadar’s infection continues to decline after reaching its peak in 1979. Other Salmonella serotypes of other serotypes were infected in 1980 Compared to a decrease of 4%.