An acute, often fatal, viral disease characterized by high fever, ulcers of the mucous membranes, headaches, and disturbances of the gastrointestinal system. [Go to source
an acute contagious viral disease of central western Africa; characterized by fever and inflammation and muscular pains and difficulty swallowing; can be used as a bioweapon
an acute, highly fatal infectious disease caused by a virus occurring epidemically in parts of Africa, transmitted by the multimammate rat which sheds the virus in its urine. Symptoms include fever, abdominal pain, vomiting, and fatal shock.
Hemorrhagic fever, caused by arenaviruses, that begins with pharyngeal lesions and proceeds to sever
An acute viral illness occurring only in West Africa, which is mild or has no observable symptoms in some people, but causes a severe multi-system disease in others.
Lassa fever is an acute viral hemorrhagic fever first described in 1969 in the Nigerian town of Lassa in the Yedseram River valley. Clinical cases of the disease had been known for over a decade earlier but not connected with this viral pathogen.The infection is endemic in West African countries, causing many deaths.