5 研究程序 ................................................................................................................................ 5 5.1 场地规格 ...................................................................................................................... 5 5.2 样本量 ...................................................................................................................... 5 5.3 入选条件 ...................................................................................................................... 5 5.3.1 纳入标准 ...................................................................................................................... 5 5.3.2 排除标准 ...................................................................................................................... 5 5.3.3 受试者中止标准 ...................................................................................................... 5 5.4 入组 ............................................................................................................................. 6 5.5 研究实施 ............................................................................................................................. 6 5.5.1 滴度评估 ...................................................................................................................... 6 5.5.2 免疫学检测 ................................................................................................................ 7 5.6 样本管理 ............................................................................................................................. 7 5.6.1 收集和制备 ................................................................................................................ 7 5.6.2 储存 ................................................................................................................................ 8