Lassa fever: Ebola-like virus found in person who travelled to the UK
A case of Lassa fever, a viral illness that can cause Ebola -like symptoms, has been confirmed in a person who recently travelled to England from Nigeria, the UK Health Security Agency (UKHSA) announced.
The individual travelled while experiencing symptoms and was subsequently diagnosed after returning to Nigeria.
UKHSA is now working to trace and contact individuals who may have been in contact with the infected person during their time in England.
What is Lassa Fever?
Lassa fever does not spread easily between people and the overall risk to the public is regarded as 'very low'.
The virus, which is endemic in parts of West Africa, particularly Guinea, Liberia, Nigeria and Sierra Leone, is carried by a particular type of rodent, called the Mastomys rodent.
The most common way people catch the virus in these countries is through eating contaminated food or breathing in the virus.
Some people can also be infected from the droppings of infected rodents, such as on floors, surfaces, or in food or water.
Some people eat Mastomys, and they may catch Lassa virus this way.
While the virus does not spread easily between people, it can be transferred through blood, saliva, urine or semen.
Most people who get Lassa fever have mild symptoms such as fever, feeling weak, headache and sore throat, and recover.
More serious symptoms include bleeding, difficulty breathing, vomiting, facial swelling, pain in the chest, back and stomach.
Dr Meera Chand, deputy director at UKHSA, said: 'Our health protection teams are working at pace to get in touch with people who were in contact with this individual while they were in England, to ensure they seek appropriate medical care and testing should they develop any symptoms.
'The infection does not spread easily between people, and the overall risk to the UK population is very low.'
Symptoms usually occur between one and three weeks after having contact with Lassa virus.
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