The influence of migration on disease risk has long been an important consideration in multiple sclerosis (MS) epidemiological research. Taking advantage of recent methodological advances, including access to population-based administrative health data, a new study highlights the importance of country of origin and duration of residence in the host country in determining MS risk.

中文翻译：

---

迁移-多发性硬化症风险全球化的途径？

长期以来，迁移对疾病风险的影响一直是多发性硬化症（MS）流行病学研究中的重要考虑因素。一项新的研究利用了最新的方法学进展，包括访问基于人群的行政健康数据，从而突出了起源国和在东道国居住的时间对确定MS风险的重要性。