这些症状也许是由病毒感染引起的，而与寄生虫无关。
These symptoms may be referable to virus infection rather than parasites.
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.
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.
用于食用的牛和鸡经常被喂食会传播病毒的饲料，该病毒引起这种疾病。
Both cattle and chickens raised for meat are often fed the type of feed that transmits the virus that causes the disease.
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.
它们是一组引起哺乳动物和鸟类疾病的病毒。
They are a group of viruses that cause diseases in mammals and birds.
不能够对自己承认引起你的问题的真正原因——是这种病毒的一种形式。
The inability to admit to yourself the true causes of your problems - is one of the forms of the virus.
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.
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.
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.
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.
五种不同的证据证明，最普遍存在是那些被痘病毒引起的相似病例，那影响了到142头海豚。
Five different conditions were identified, with the most common being lesions similar to those caused by poxvirus, which affected 142 dolphins.
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.
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.
马尔堡出血热是由来自与引起埃博拉出血热的病毒同一科的一种病毒引起的严重高致命性疾病。
Marburg haemorrhagic fever is a severe and highly fatal disease caused by a virus from the same family as the one that causes Ebola haemorrhagic fever.
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.
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.
好了，现在说说他的混蛋之处：他觉得懂得如何复制一个从生命开始就已经一直在自我复制的分子，就能使他有资格说艾滋病不是由获得性免疫缺陷病毒引起的。
All right, now for his dickishness: Mullis feels that figuring out how to copy a molecule that has been copying itself since life began apparently qualifies him to say that HIV doesn't cause AIDS.
一些国家正在出现主要由2009年H1N 1流感病毒引起的严重的流感流行，会议对这一情况给予了特别关注。
Particular attention was given to the situation in some countries which are currently experiencing intense influenza epidemics largely caused by the H1N1 (2009) 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.
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.
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.
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.
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.
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.
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