Diphtheria is an infectious disease caused by toxigenic strains of Corynebacterium diphtheriae. The molecular and geographical epidemiology of the bacteria is constantly evolving and, together with decreased vaccination coverage, could promote the re-emergence of this disease.

中文翻译：

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白喉。

白喉是由白喉棒状杆菌的产毒菌株引起的传染病。细菌的分子和地理流行病学正在不断发展，并且随着疫苗接种覆盖面的减少，可能会促进这种疾病的重新出现。