海宁市人群猪链球菌感染状况监测分析

Monitoring and analysis the situation of Streptococcus suis infection among Haining City crowd

目的了解海宁市不同人群中猪链球菌的感染状况，为采取干预措施提供依据。方法抽查了288名普通人群和51名生猪屠宰工人采血进行猪链球菌抗体（SS2IgG）检测。结果普通人群SS2IgG阳性率为6、94％，以40～49岁组最高（14．58％），〈20岁组最低（0％）。阳性率与性别无关。屠宰工的SS2IgG阳性率为21．57％，显著高于普通人群（P〈0．05）。结论海宁市人群的猪链球菌感染以亚临床或隐性感染为主，须做好屠宰工的职业防护．加强生猪疫情的控制、集中屠宰和上市检疫。

Objective To understand the infectious status of Streptococcus suis infection of the different groups in the city, provide a basis for interventions. Methods The antibody to Streptococcus suis （SS2 IgG） was detected from sample of 288 general people 51 workers slaughtering pigs. Results The SS2 IgG positive rate in the general people was 6.94%, the highest in 40 - 49 year - old group （ 14.58% ）, the lowest in those under 20 - year - old group （0%）. Gender had nothing to do with the positive rate. The SS2 IgG positive rate in slaughtering workers was 21.57%, significantly higher than that of the general population. Conclusion Sub - clinical and latent infection are the main features of Streptococcus suis infection in the citizens of Haining City and strengthening protection of slaughtering workers and quarantine is the measures to be carried out for control of Streptococcus suis infection.