它通过受感染跳蚤的咬伤、直接接触、吸入和极少摄入传染物在动物与人之间传播。
It is transmitted between animals and humans by the bite of infected fleas, direct contact, inhalation and rarely, ingestion of infective materials.
传染病的感染途径有几种。
该系统将大大减少从农业中感染的许多传染病的发病率。
The system would greatly reduce the incidence of many infectious diseases that are acquired at the agricultural interface.
在所有感染艾滋病病毒的十五岁以下儿童中，90%是被母亲传染的。
Mother-to-child transmission causes more than 90% of all HIV infections in children under fifteen.
通常，人类因受感染蚊子的叮咬被传染。
Human infection is most often the result of bites from infected mosquitoes.
肺部感染结核杆菌的患者在咳嗽时可能传染他人。
People ill with TB bacteria in their lungs can infect others when they cough.
在你感染猪流感的早期阶段你有最大传染性。
You'll be at your most infectious in the early stages of your illness.
超过一半的人会感染1型单纯疱疹病毒，通常都是通过亲吻传染。
More than half of us have been infected with the HSV-1 virus, usually from well-meaning kisses from relatives or romantic partners.
在所有此类报告中，食用受感染的生家禽据认为是猫最有可能的传染源。
In all such reports, eating raw infected poultry was considered the most likely source of infection for the cats.
这次试验中，传染病感染的老鼠以蛋白质、糖类和脂肪含量不等的食物为食。
In this experiment, infected mice were fed on diets that contained variable amounts of protein, carbohydrate and fat.
他们有时候会因为不能移动而感染传染病。
They sometimes get these serious infections because they can’t move.
肺感染依然是唯一主要的传染性死亡原因。
Lung infection remains the only leading infectious cause of death.
当前的理论是，由于人类猎杀或食用了感染后的黑猩猩而传染上这种疾病的。
The leading theory is that it was picked up by people who hunted or ate infected chimpanzees.
新的研究表明快乐不只是个体现象；我们可以像感染传染病一样从朋友和家庭成员那里感染快乐。
New research shows that happiness isn't just an individual phenomenon; we can catch happiness from friends and family members like an emotional virus.
你的孩子在等待下次注射就有感染其中传染病的危险。
Your child is at risk of getting one of these infections while waiting for the next injection.
感染肾病综合症会增加患传染性疾病的风险。
Infections. People with nephrotic syndrome have an increased risk of infections.
从发表在《临床传染病》上的综合研究来看，自1930年确认第一例猪流感传染人类的病例以来，世界上被感染的人只有数十位。
According to a comprehensive study published in the journal Clinical Infectious Diseases, swine flu had infected only several dozen people in the world since it was first identified in 1930.
科学家认为这种病毒是5年前从马传染到狗身上的，但从未感染过人类。
Scientists believe the virus jumped from horses to dogs 5 years ago, but it has never infected a human.
几乎所有肺结核病菌感染都有潜伏期，携带者没有症状，而且没有传染性。
Nearly all TB infections are latent, with carriers showing no symptoms and they are not infectious.
在未来几天中，腹泻病和呼吸道感染等传染病控制将是令人关切的又一重大问题。
Control of communicable diseases, such as diarrhoeal diseases and respiratory infections, will be another major concern in coming days.
如果你知道已感染了艾滋病毒，则可采取预防措施防止传染他人。
If you know that you are infected, you can take precautions to prevent the spread of HIV to others.
好消息是像这种食物传染的感染正在减少——至少在美国是这样的。
The good news is that such food-borne infections are on the wane-at least in the United States.
许多儿童会感染这些传染病和产生并发症。
More children could get sick and have complications from these illnesses.
许多儿童会感染这些传染病和产生并发症。
More children could get sick and have complications from these illnesses.
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