Ans. Lassa Fever is a viral hemorrhagic fever caused by the Lassa virus. It is primarily found in West Africa, particularly in Nigeria, Sierra Leone, Guinea, and Liberia. The virus is transmitted to humans through contact with infected rodents, specifically the multimammate rat. Lassa Fever can be transmitted through direct contact with the urine, feces, saliva, or blood of infected rodents. It can also be transmitted between humans through direct contact with the blood, urine, or other bodily fluids of infected individuals. Symptoms of Lassa Fever include fever, headache, muscle aches, vomiting, and bleeding.