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such was the case for a training activity jointly organized by the centers for disease control and prevention and the pan american health organization/world health organization (paho/who), in which the former denied the participation of a cuban expert from pedro kourí institute (ipk) in the workshop on the laboratory technique reverse transcriptase-protein reaction.
例如,疾病控制和预防中心与世界卫生组织/泛美卫生组织联合开展活动,而一位古巴专家被拒绝参加前者组织的实验室技术逆转录酶蛋白反应讲习班。