In allergic reactions, including those brought on by mosquito saliva, the human body releases histamine.

在包括蚊子唾液引发的过敏反中，人体会释放组胺。

Was given experimental medicines that caused an allergic reaction that nearly killed him.

他还服用了实验，这些引发了几乎致命的过敏反。

It is hay fever, an allergic reaction to pollen from trees, grass and other plants.

元凶其实是花粉过敏症，这是人们对草木以及其他植的花粉产生的过敏反。

He was rushed there Sunday, showing symptoms of a severe allergic reaction.

他周日被急忙送往医院，表现出的症状是种严重的过敏反。

Take some Benadryl and your allergic reaction will be less serious.

吃 Benadryl，你的过敏反就不会那么严重了。

In a clinical trial, one in four patients developed severe allergic reactions to the drug.

在临床实验阶段，每四个实验病患中就会有个对该产生强烈的过敏反。

It's an allergic reaction to soy.

是大豆引起的过敏反。

It only takes a tiny piece of peanut to cause a big allergic reaction in some people.

的花生就可能让些人产生很大的过敏反。

Additionally, several studies have shown us that children here have dogs experience less allergies in their adult life.

此外，些研究表明，接触过狗狗的儿童在成年后对狗的过敏反较少。

The researchers therefore wondered whether the reactions being created by LasB could cause lasting allergies to develop.

因此，研究人员想知道LasB产生的反是否会导致持久的过敏反。

Several people in the United States and Britain have had dangerous allergic reactions to a coronavirus vaccine.

在美国和英国，有些人对冠状病毒疫苗产生了危险的过敏反。

The pair developed " anaphylactoid reaction" symptoms and are " recovering well" after receiving treatment, Powis said.

鲍伊斯表示，出现“过敏反”症状的两人在接受治疗后“恢复良好”。

The team discovered that those who had reactions were from only certain areas of the US, the southeast.

研究团队发现有这种过敏反的人均来自美国东南部。

Officials have not given details of his condition, but Mr. Navalny's spokeswoman said he had an acute allergic reaction.

官方没有透露他的具体情况，但纳瓦尔尼的发言人说，他有严重的过敏反。

Four children receiving Viaskin experienced an allergic reaction called anaphylaxis that was found to be related to the patch.

四名接受Viaskin治疗的儿童出现了种被称为过敏反的过敏反，这种反被发现与贴片有关。

Researchers said allergic reactions happened less often among the Viaskin users than those wearing the patches without peanut protein.

研究人员表示，与使用不含花生蛋白的贴片的人相比，使用Viaskin贴片的人发生过敏反的频率较低。

I felt more bemused than angry: understanding the latest guidelines on the treatment of allergic reactions seemed fair enough.

理解最新的过敏反治疗指南似乎很公平。

Documents published by Pfizer and BioNTech showed that people with a history of severe allergic reactions were excluded from the trials.

辉瑞和生新技术公司发表的文件显示，有严重过敏反史的人被排除在试验之外。

Anaphylaxis is the most severe kind of allergic reaction.

过敏反是最严重的过敏反。

The researchers identified 85 cases, or 39 percent, of anaphylaxis as having a specific cause.

研究人员确定了 85 例或 39% 的过敏反具有特定原因。