截至2022年，人类已成功将天花和牛瘟清零，目前人类正打算将脊髓灰质炎、热带肉芽肿、麦地那龙线虫病和疟疾清零。截至2008年4月[update]，卡特中心又发现凭借现有的医学技术，麻疹、流行性腮腺炎、风疹、象皮病和囊虫病等五种传染病有可能清零。 [2]
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