第二，一些偶发病例地区开始集中爆发流感，特别是缺少医疗设施对抗这种疾病的偏远地区。

Second, while there were sporadic cases in the past, the virus has now centralized in some areas, especially in remote places which lack facilities to deal with the disease.

youdao

根据世界卫生组织的最新数据显示，自从2003年至2008年6月19日，已经出现了385例禽流感病人，造成了243人死亡，禽流感的爆发基本集中在亚洲。

There were 385 cases of bird flu in humans, leading to 243 deaths, from 2003 to June 19, according to the World Health Organization's most recent data. Outbreaks have mostly centered on Asia.

youdao