每一瓶鼻滴应该只由一人使用，以避免传染感染。
Each bottle of nasal drops should only be used by one person, to avoid spreading infection.
最近疫情大爆发：当世界将焦点转向墨西哥的猪流感时，一场严重的登革热传染感染了玻利维亚的50000人和阿根廷的20000人。
Current outbreak: While the world's attention has been focused on Mexico's swine flu, a severe dengue outbreak infected 50, 000 people in Bolivia and more than 20, 000 in Argentina.
最近疫情大爆发：当世界将焦点转向墨西哥的猪流感时，一场严重的登革热传染感染了玻利维亚的50000人和阿根廷的20000人。
Current outbreak: While the world's attention has been focused on Mexico's swine flu, a severe dengue outbreak infected 50,000 people in Bolivia and more than 20,000 in Argentina.
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.
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.
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.
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.
如脑膜炎、麻疹、腮腺炎和慢性耳部感染等传染病可导致听力障碍，大多发生在童年，长大后也会发生。
Infectious diseases such as meningitis, measles, mumps and chronic ear infections can lead to hearing impairment, mostly in childhood, but also later in life.
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.
因此，不管是否会造成肥胖，健康饮食，经常锻炼，减压以保持健康，减少感染传染性疾病的可能，依然非常重要。
It is still important to eat healthy, exercise often, and manage stress to stay healthy and decrease the spread of all infectious diseases, whether or not they cause obesity.
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.
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.
本周，流行病学家们要设法查清：每一个感染者会传染多少人；这个数字如何随时间和地点而变化。
This week, epidemiologists will try to find out how many people each infected person spreads the disease to, and how this figure changes with time and place.
他们说随意的分享母乳，让宝宝们有了被艾滋病毒，B型肝炎和其他传染性疾病感染的危险。
They say that informal breast-milk sharing puts babies at risk of HIV, hepatitis B and other infectious diseases.
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.
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.
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