Around 800,000 doses of the vaccine are expected to be in place for the start of country's immunization program on Tuesday.

大约80万剂疫苗预计将在周二该国免疫计划启动时到位。

The NCDC said majority of the cases were among people who had not been vaccinated, even though diphtheria is covered by Nigeria's routine childhood immunization program.

尼日利亚疾控中心表示，大多数病例发生在没有接种疫苗的人群中，尽管尼日利亚的常规儿童免疫计划涵盖了白喉。