美国新闻速递 奥兹呼吁美国人接种麻疹疫苗应对疫情爆发 THE HILL|https://thehill.com/policy/healthcare/5728626-oz-measles-vaccine-outbreak
美国新闻速递 南卡罗来纳州麻疹疫情激增至近600例 PBS|https://www.pbs.org/newshour/health/south-carolina-measles-outbreak-hits-nearly-600-new-cases-in-just-over-a-month
