关键词: 基孔肯雅热, 调查, 防控策略

Abstract: Objective To study the epidemic features of chikungunya fever outbreak in Quzhou and to explore the effective prevention and control strategies for this disease in the future. Methods All probable cases were chosen by epidemiological individual survey. Dengue and chikungunya virus nucleic acid testing were conducted by real-time quantitative reverse transcription polymerase chain reaction in individual survey. Results Among all samples tested 4 cases were positive for Chikungunya virus. One of the detected cases had a history of travel to Bangladesh. The remaining 3 local cases lived with the first confirmed case in the save village and had no travel record. The epidemic was efficiently controlled by case finding, mosquito eradication and ecological improvement, etc. Conclusion These are the first autochthonous cases reported that was caused by imported chikungunya fever in Zhejiang province. Enhanced entry-exit quarantine, case follow-up in clinical facilities, and vector surveillance are crucial for preventing epidemic of chikungunya.

Key words: Chikungunya fever, Survey, Prevention and control strategy