病征

bìng dú gǎn rǎn biǎo xiàn chū míng xiǎn de kě jiàn bìng zhēng

病毒感染表现出明显的可见病征。

These virus infections display obvious visual symptoms.

huàn zhě kě néng zài zhěn duàn chū jí bìng zhī qián duō nián yǐ chū xiàn yī xiē bìng zhēng

患者可能在诊断出疾病之前多年已出现一些病征。

Patients may suffer from some of the symptoms years before diagnosis.