一场病毒引起的疾病使她走路十分困难。
大部分的普通感冒和流感都是病毒引起的。
Most forms of the common cold and flu are caused by viruses.
它是由新冠病毒引起的。
这种疾病是由一种新发现的冠状病毒引起的。
The disease is caused by a newly-found type of corona-virus.
所有种类的腹泻疾病，都是由肠道病毒引起的。它们感染你的肠道。
The whole category of diarrheal diseases, caused by viruses called enteroviruses. They infect your gut.
流感是有病毒引起的呼吸系统疾病。
The flu, or influenza, is caused by a virus that affects the respiratory system.
有些麻疹病人误会疹子是由其它病毒引起的。
Some people mistake rashes caused by other viruses for measles.
你知道感冒和流感是由病毒引起的吗？
但是我不知道痔疮是不是病毒引起的？
麻疹是病毒引起的传染性极强的严重疾病。
Measles is a highly contagious, serious disease caused by a virus.
他认为科学家们并没有证实艾滋病是由HIV病毒引起的。
He argued that scientists had not "proved" that AIDS was caused by the HIV virus.
目前尚不清楚究竟是哪种病毒引起的死亡率上升。
Which virus is responsible for the increased mortality is not yet clear.
表明这是一次由轮状病毒引起的新生儿腹泻流行。
The data suggest that this outbreak of neonatal diarrhea be caused by rotavirus infection.
每年，由野生脊灰病毒引起的数十万病例得到预防。
Every year, hundreds of thousands of cases due to wild polio virus are prevented.
脑膜炎和脑炎：这些是由细菌或病毒引起的脑部或脊髓的感染。
Meningitis and encephalitis. These are infections of the brain and spinal cord that are usually caused by bacteria or viruses.
猪流感是由猪流感病毒引起的一种急性呼吸道传染病。
Swine flu is a respiratory disease affecting pigs that is caused by type a influenza virus.
由马尔堡病毒引起的疾病突然开始，伴有严重头痛和严重不舒服。
Illness caused by Marburg virus begins abruptly, with severe headache and severe malaise.
卫生系统需要能够预防、发现、治疗和减轻该病毒引起的病例。
Health systems need to be able to prevent, detect, treat and mitigate cases of illness associated with this virus.
他们的研究集中在唇疱症上，它也是有一种常见的病毒引起的。
They focused on cold sires, which are also caused by a common virus.
但是目前还不清楚这一变异是否对其他由朊病毒引起的疾病有效。
But it's not yet known whether the variant protects against other prion diseases.
作为减少由流感病毒引起的发病率和死亡率的一种手段，预防接种仍然十分重要。
Vaccination remains important as a means of reducing the morbidity and mortality caused by influenza viruses.
在非洲、南美部分地区和亚洲婴儿常由轮状病毒引起的腹泻和呕吐死亡。
In parts of Africa, South America, and Asia, babies often die from diarrhoea and vomiting caused by rotavirus.
公司也推出它们的新产品或新的点子，以战胜由这些病毒引起的惊慌失措。
Companies also updated their products or launched new ones to target the panic over these viruses.
抗病毒抗性使植物较不易受这些病毒引起的疾病的影响，使作物产量更高。
Virus resistance makes plants less susceptible to diseases caused by such viruses, resulting in higher crop yields.
猪流感是由A型流感病毒引起的猪呼吸道传染病，病毒的定期爆发会引起猪患病。
It is a contagious respiratory disease of pigs caused by type a influenza viruses. Pigs are hit by regular outbreaks.
迄今为止已经发生了230多例人类患H5N1型病毒引起的感冒病例，其中一半以上是致命性的。
To date, there have been more than 230 human cases of influenza caused by the H5N1 virus, over half of which were fatal.
最后，已接种流感疫苗的人可在以后罹患流感之外的其它常见病毒引起的疾病，但却误认为是流感。
Finally, people who have received influenza vaccine can later have an illness, caused by other common viruses that are not influenza, but be mistaken for the flu.
由HIV病毒引起的艾滋病先是导致了病人免疫系统功能减弱，继而使病人产生继发感染。
Rather, HIV, the virus that causes it, weakens the body's immune system and exposes the sufferer to secondary infections.
在接受麻疹免疫接种者和无天然麻疹感染史者中，野病毒引起的SSPE病例一直有报告。
SSPE due to wild virus has been reported in persons who have been immunized with measles vaccine and have no history of symptomatic natural measles infection.
在接受麻疹免疫接种者和无天然麻疹感染史者中，野病毒引起的SSPE病例一直有报告。
SSPE due to wild virus has been reported in persons who have been immunized with measles vaccine and have no history of symptomatic natural measles infection.
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