Among 11 of the 25 children with presumed sporadicdisease, 4 carried new mutations and 7 inherited the mutations.
在25名儿童中有11名为散发病例，4个带有新的基因突变和7个遗传突变。
2
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.
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。
3
While most foodborne diseases are sporadic and often not reported, foodborne disease outbreaks may take on massive proportions.