1.Most persons with acute infection develop clinical symptoms, but these are usually non-specific symptoms of a viral illness.
大多数被急性感染的人发展临床症状，但是他们通常是不明确的病毒疾病的症状。
2.If dry eyes persist or symptoms of eye infection develop, consult your doctor immediately.
若持续眼乾或眼部感染，应尽快接受治疗。
3.Between 10% and 40% of women with untreated chlamydial infection develop symptomatic pelvic inflammatory disease.
在沙眼衣原体感染未得到治疗的妇女中，有10-40%的人诱发了盆腔炎症状疾病。
4.For example, 10 - 40% of women with untreated chlamydial infection develop symptomatic pelvic inflammatory disease.
在沙眼衣原体感染未得到治疗的女性中，有10-40%的人发展为症状性盆腔炎症。