Among the patients with deletional hemoglobin Hdisease, 15% had one or both parents with African-American ancestry.
在患缺失型血红蛋白H病的患者中，15%的患者其父母一方或双方有非洲裔美国人的血统。
2
In the past, the W. H. O. and experts with America's Centers for disease Control and Prevention noted guidance for disease spread on airplanes.
过去，世界卫生组织和和美国疾病预防控制中心的专家们就注意到管理因飞机带来的疾病传播问题。
3
The first 3-H grant in 1979 funded a five-year effort to immunize six million children against polio in the Philippines, setting the stage for Rotary's work in eradicating the disease.