Epidemic relapsing fever (lat. typhus recurrens epidemicus) is an acute infectious disease caused by spirochetes of the genus Borrelia. Characterized by fever, intoxication, damage to the cardiovascular, nervous and other systems.
Relapsing epidemic typhus (recurrent epidemic typhus) is an acute infectious-allergic disease that is characterized by repeated attacks of fever, chills, headache, weakness and other symptoms caused by re-infection with the pathogen. The causative agent of the disease is a spirochete, which is transmitted through the bites of insects such as lice or ticks.
Relapsing fever is an infectious disease that occurs as a result of infection with the pathogen Typhus abessinensis. This disease is characterized by frequent relapses that can last a lifetime. The epidemic form of typhus is caused by different strains of the above pathogen.