疾病防治中心建议,1989年以前接种疫苗的成年人可能需要第二次麻疹疫苗以获得充分保护。 Adults vaccinated before 1989 may need a second measles shot for full protection, CDC advises.

据医生说,有些成年人,特别是1989年以前出生的成年人,可能只接种了一剂麻疹疫苗,而且可能得不到充分保护。 Some adults, especially those born before 1989, may only have received one dose of the measles vaccine and might not be fully protected, according to doctors. 疾病控制和预防中心建议使用两剂MMR疫苗,为93%的人提供一种剂量的保护,为97%的人提供两种剂量的保护。 The Centers for Disease Control and Prevention recommends two doses of the MMR vaccine, providing 93% protection with one dose and 97% with two. 建议那些对其接种疫苗历史没有把握的人检查其记录或进行血液测试以确定免疫力。 Individuals unsure of their vaccination history are advised to check their records or get a blood test to determine immunity. 疫苗通常由保险承保,联邦成人和儿童疫苗方案可以帮助支付未保险者的费用。 The vaccine is typically covered by insurance, and the federal vaccines for adults and children program can help cover costs for the uninsured. 北达科他州和明尼苏达州居民可以使用Docket 应用程序检查他们的疫苗接种记录。 North Dakota and Minnesota residents can use the Docket app to check their vaccination records.