Lassa fever is known to be endemic in Guinea (Conakry), Liberia, Sierra Leone and parts of Nigeria, but probably exists in other West African countries as well.

已知拉沙热在几内亚(科纳克里)、利比里亚、塞拉利昂和尼日利亚部分地区流行，但在其它西非国家也可能存在。

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Fever can indeed be scary, and any fever in an infant younger than 3 months is cause for major concern because of the risk of serious bacterial infections.

发烧确实会令人担心害怕，低于3个月幼龄的婴儿发烧很多是因为避免一系列细菌感染而护理过度引起的。

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In fact, this kind of herpes can be spread even if the carrier has no visible fever blister.

事实上，就算这种病毒携带者没有明显的热病性疱疹症状，病毒也会被传播的。

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The illness, which can be fatal, results in fever, muscle pain, headache and a rash.

BBC: Dengue fever cases 'double in UK'

The RPS said: "We would be very concerned if a patient took a homeopathic preparation to travel to an area where there may be yellow fever, typhoid, malaria, believing they were safe when in fact they wouldn't be safe".

BBC: Cases dropped against malaria homeopaths

More than 12, 000 pigs have had to be slaughtered following the outbreak of swine fever in Britain.

BBC: EU vets ease pig ban