世界卫生组织、联合国儿童基金会和全球疫苗联盟联合发出警示，新冠疫情导致全球常规儿童免疫服务严重中断，至少8000万名一岁以下儿童分布在至少68个国家，面临白喉、麻疹和脊髓灰质炎等疾病的风险。1在2020年3月至4月期间，129个有数据的国家中超过53%报告了中等至严重的服务中断或完全暂停。1
免疫接种计划的受阻范围广泛。1麻疹疫苗接种活动在27个国家暂停，脊髓灰质炎活动在38个国家暂停。1在获得全球疫苗联盟支持的21个低收入国家中，至少2400万人面临错失疫苗的风险。1疫苗运输延误进一步加剧了这一局面，联合国儿童基金会为此呼吁降低运费成本。1
世卫组织总干事谭德塞强调，"免疫是公共卫生史上最强大和最基本的疾病预防工具。"1为应对这一危机，全球疫苗峰会定于6月4日在伦敦举行，目标为全球疫苗联盟筹集至少74亿美元。1
The World Health Organization, UNICEF, and Gavi, the Vaccine Alliance, have warned that at least 80 million children under one year of age across at least 68 countries face heightened risk of contracting diphtheria, measles, and polio due to severe disruptions in routine vaccination services caused by the COVID-19 pandemic 1. During March and April 2020, more than 53 percent of 129 countries with available data reported moderate to severe service interruptions or complete suspensions of immunization programs 1.
The impact has been particularly severe for measles and polio vaccination campaigns, with immunization activities halted in 27 and 38 countries respectively 1. Additionally, at least 24 million people in 21 low-income countries supported by Gavi face the risk of missing vaccinations 1. WHO Director-General Tedros Adhanom Ghebreyesus emphasized that "immunization is the most powerful and fundamental disease prevention tool in the history of public health" 1. Vaccine transportation delays have further exacerbated the situation, prompting UNICEF to call for reduced shipping costs 1.
To address the funding needs for global vaccination efforts, a Global Vaccine Summit is scheduled for June 4 in London, with the objective of raising at least $7.4 billion for Gavi 1.
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