Immunization coverage

• 免疫接种

Immunization coverage的用法和样例：

例句

1. Measles can be prevented by immunization at 1 year of age.
   麻疹可以通过一岁进行免疫接种而得到预防。
2. Vaccination coverage is improving in the Americas, but inadequate coverage remains a problem in many African countries.
   目前非洲免疫接种覆盖率正在改善，但覆盖率不足的问题在许多非洲国家依然存在。