Analysis on surveillance results of cholera in Guangzhou from 2006 to 2008.

Objective To provide strategies for prevention and control of cholera through analyzing surveillance results of cholera in Guangzhou from 2006 to 2008.Methods Surveillance data of cholera in Guangzhou were analyzed from 2006 to 2008.Results Total 89 017 samples were collected in three years,and V.cholera were detected in 40 samples,including 10 patients samples,16 outdoor samples and 14 aquatic product samples.the positive rates of patients,outdoor environment and aquatic products were 0.02%,0.15% and 0.12%,respectively.11 cases were detected in Pearl River water and was accounting for 68.75%(11 /16).Patients were infected with epidemic strain,while the others were non-epidemic stains.Conclusion Surveillance of Pearl River water and aquatic products should be strengthened to learn the changes of strains and prevent the outbreak and spread of cholera.