ResultsThe average incidence of typhoid fever per year was ./00 000 from 98 to 00,which is more than the average of China,and more than inland of China.
ResultsThe average incidence of typhoid fever per year was ./00 000 from 98 to 00,which is more than the average of China,and more than inland of China.
果98~00年宁波市镇海区伤寒的发病率为./0万,远远高于全国的平均水平,尤其高于中国内陆地区;