Dr Perea expressed hope that vaccination campaigns would be carried out throughout all high risk African countries by 2015.
Perea博士表示，希望到2015年，预防接种活动将在非洲所有高风险国家全面展开。
Dr William Perea, WHO coordinator for the Epidemic Readiness and Intervention said the yellow fever initiative is feeling the effects of the global financial crisis.
世卫组织流行病防范和干预处处长WilliamPerea博士说，黄热病计划已受到全球金融危机影响。
Dr William Perea, WHO coordinator for the Epidemic Readiness and Intervention said the yellow fever initiative is feeling the effects of the global financial crisis.
世卫组织流行病防范和干预处处长WilliamPerea博士说，黄热病计划已受到全球金融危机影响。
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