1·This is called an “asymptomatic infection”.
这就是所谓的“无症状的感染”。
2·Human infection with the Ebola Reston subtype, found in the Western Pacific, has only caused asymptomatic illness, meaning that those who contract the disease do not experience clinical illness.
在西太平洋地区发现的人类感染埃博拉·莱斯顿亚型，只导致无症状疾病，这意味着患病者不会出现临床疾病。
3·In malaria endemic areas, persons may develop partial immunity, allowing asymptomatic infections to occur.
在疟疾流行地区，人们可能产生局部免疫力，导致出现无症状感染。
4·Conservative treatment for small, asymptomatic chalazions begins with lid massage, moist heat, and topical mild steroid drops.
较小且无症状的霰粒肿可采用保守治疗，包括眼睑按摩，热湿敷，以及表面使用温和的甾体类眼药水。
5·More accurate data on ce prevalence in humans (particularly undiagnosed or asymptomatic cases) and better methods to estimate productivity losses in animals are needed.
因此有必要获得更准确的人类罹患囊型包虫病的发生率(尤其是未诊断的或无症状的患者)数据以及能够更好地估算动物生产率损失的方法。