The vaccine can help to reduce the chance of complications and hospitalisation resulting from human influenza . hence , influenza vaccination is recommended for the elderly 流感疫苗能减少因人类流感而出现并发症及住院的机会，故此建议长者接种疫苗。
In men , complications caused by chlamydia are uncommon . but if untreated , it may lead to painful inflammation of the testicles , which can cause infertility 虽然男性较少会因为感染衣原体而出现并发症，但如果不加治理，病菌可能会令睾丸发炎疼痛，因而导致不育。
As influenza is contagious , can cause epidemic , and results in more serious illness than common cold does with the threat of complications , it should be prevented and treated early 由于时行感冒有传染性和流行性，且病情较重，可能出现并发症，所以要及早预防和治疗。
More alarmingly , diabetes is increasingly appearing in young people . the longer diabetes exists , the more likely are its complications , which are extremely costly 令人忧虑的是年轻病患者的人数显著上升。患病时间愈长，出现并发症的机会愈高，而所牵涉的费用愈高昂。
They need to control their blood sugar level by watching their diet , doing exercise and maintain their body weight . some of them may need regular medications 需要小心注意饮食、做适量运动和控制体重，他们亦可能需要定时服药以控制血糖水平，避免因血糖长期过高而出现并发症。
Results among the 25 accidents , concomitant and secondary , there were 9 aneurysm ruptures ， 7 over - embolizations ， 7 coil end protrudings to the parent artery ， and 2 thromboses 结果22例出现并发症的动脉瘤患者中，动脉瘤破裂出血9例次，过度栓塞7例次，弹簧圈脱出7例次，血栓形成2例次。
What are the complications ? in men , complications caused by chlamydia are uncommon . but if untreated , it may lead to painful inflammation of the testicles , which can cause infertility 虽然男性较少会因为感染衣原体而出现并发症，但如果不加治理，病菌可能会令睾丸发炎疼痛，因而导致不育。
The body resistance is lower for elderly people and patients with chronic cardiovascular and respiratory diseases , who may develop complications such as lower respiratory tract infections 长者及慢性疾病患者(如：心脏病、慢性呼吸道疾病患者)抵抗力较弱，有较大机会出现并发症，例如：支气管炎、肺炎等。
