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1·Objective To study the cholera vibriocidal antibody levels in different groups of people and the immunity state against cholera, and evaluate the complement-mediated bacteriolysis technique.

目的了解不同人群的霍乱杀弧菌抗体水平和对霍乱的免疫状态，并探讨补体溶菌试验检测技术的应用价值。