Risi J B
Rev Infect Dis. 1983 May-Jun;5(3):583-7. doi: 10.1093/clinids/5.3.583.
Measles is regarded as a major public health problem in Brazil, accounting for much of the morbidity and mortality among children younger than five years of age. Rates of immunization have risen steadily since the National Immunization Program (NIP) was set up in 1973, reaching a maximum of 72.1% in 1981. However, the impact of the program cannot yet be demonstrated because of variations in reporting and of operational problems involved in the maintenance of efficient routine vaccination in most states. Changes in NIP field strategies after 1980 included the organization of campaigns in areas where the rates of vaccination are lowest, particularly in northern and northeastern Brazil.
麻疹在巴西被视为一个重大的公共卫生问题，五岁以下儿童的发病率和死亡率中有很大一部分是由麻疹导致的。自1973年国家免疫规划（NIP）设立以来，免疫接种率稳步上升，1981年达到最高值72.1%。然而，由于报告存在差异以及大多数州在维持高效常规疫苗接种方面存在操作问题，该规划的影响尚未得到证实。1980年之后，国家免疫规划的现场策略发生了变化，包括在疫苗接种率最低的地区，特别是巴西北部和东北部组织疫苗接种活动。
