Lassa fever virus

Lassa fever also known as Lassa hemorrhagic fever is a type of viral hemorrhagic fever caused by the Lassa virus. This is the first time the disease has been found in Britain in more than a decade.

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. Lassa fever is a severe and sometimes fatal haemorrhagic disease caused by the Lassa fever virus LAFV. Two people in the UK have been diagnosed with Lassa fever a virus which is endemic in several West African nations. UK detects two cases of Ebola-like virus. People usually become infected with Lassa virus through exposure to food or household items contaminated with urine or.

Less commonly there may be bleeding from the mouth or gastrointestinal tract. It is endemic in parts of West Africa including Sierra Leone Liberia Guinea and Nigeria. Lassa virus is one of more than 25 causative viruses of viral hemorrhagic fever Table 41 an acute systemic illness classically involving fever a constellation of initially non-specific signs and symptoms and a propensity for bleeding and shock. Two people in the East of England have been diagnosed with Lassa fever an acute viral illness after travelling to West Africa.

The animal reservoir or host of Lassa virus is a rodent of the genus Mastomys commonly known as the multimammate rat Mastomys rats infected with Lassa virus do not become ill but they can shed the virus in their urine and faeces. Lassa fever is an animal-borne or zoonotic acute viral illness. Many of those infected by the virus do not develop symptoms. Lassa fever is an acute viral haemorrhagic illness caused by Lassa virus.

When symptoms occur they typically include fever weakness headaches vomiting and muscle pains. First identified in 1969 in Nigeria Lassa Fever virus is a single-stranded enveloped RNA virus that belongs to the genus Mammarenavirus of the Arenaviridae family of viruses. Neighboring countries are also at risk as the animal vector for Lassa virus the multimammate rat Mastomys natalensis is distributed throughout the region. Lassa fever is an acute viral haemorrhagic illness caused by the Lassa virus which can be serious and in some cases fatal.

The UK Health Security Agency UKHSA have said that those infected are members of a family that recently returned from West Africa and live in the East of England. Lassa fever is a zoonotic disease meaning that humans become infected from contact with infected animals. UK detects two cases of Ebola-like virus that can cause vaginal bleeding and deafness. 1 Unlike many viral hemorrhagic fevers LF is not a rare disease that emerges only in outbreak form.

Lassa Fever Infographic Fever Infographic Biohazard