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Slapped cheek syndrome掌掴脸颊综合征

Parvovirus B19 is a virus that only affects humans.细小病毒B19是一种病毒，这不仅影响到人类。 The symptoms of infection varies from a very minor illness, possibly with headache, mild fever and sore throat to erythema infectiosum, which produces a typical rash that appears on the cheeks, hence its name Slapped Cheek Syndrome.该感染的症状不同，由一个非常小的疾病，可能与头痛，轻微发烧及喉咙，以红斑infectiosum ，产生一个典型的皮疹出现在脸颊上，因此，它的名字掌掴脸颊综合征。 The condition is also sometimes called Slap Cheek or Fifth Disease, being the fifth cause of common rash-associated diseases of childhood to be identified.条件是，有时也称为打的脸颊或五分之一的疾病，正在第五事业的共同出疹的病征，相关疾病的儿童待确定。

It is thought that 60% of all adults in the UK have been infected with Parvovirus at some point, usually between the ages of six and ten years old.据认为， 60 ％的所有成年人中，英国已感染细小病毒在一些点，通常是年龄介于6和10岁。 An increase in the number of infections occurs every 3-4 years, largely in schoolchildren.的数目增加了感染的发生，每3-4年，主要是在中小学生。

One infection is thought to confer lifelong immunity.一个感染被认为是赋予终身免疫力。

Although the virus can affect animals (canine parvovirus and feline panleukopenia virus), B19 is the only known human form.虽然该病毒可以影响动物（犬细小病毒和猫泛白细胞减少症病毒） ，病毒B19是唯一已知的人类形式。 The virus cannot pass from human to animal or vice-versa.该病毒目前还无法从人类到动物或反之亦然。