Carriage of Haemophilus influenzae among healthy children aged 1-12 years in Dongcheng district, Beijing

Objective understand the carriage status of Haemophilus influenzae among healthy children aged 1-12 years in Dongcheng district, Beijing. Methods Nasopharageal swabs were collected from 221 healthy children aged 1-12 years randomly selected in Dongcheng district every three months to isolate H. influenzae. Results The isolation rate of H. influenzae was 8.75%,and the cumulative carrying rate was 29.41%. The coverage of H. influenzae b conjugate vaccine was 5.24%. Conclusion It is necessary to establish scientific surveillance system and develop appropriate H. influenzae vaccine.