Вірусна геморагічна лихоманка

Визначення(English summary)

A rare group of infectious disease characterized by malaise, fever, exhaustion, vascular permeability, decreased plasma volume, coagulation abnormalities and varying degrees of hemorrhage. Severity of hemorrage is affected by a variety of contributing factors (depending on the pathogen and the host, whether it is primary infection or reinfection) and severly ill patients often show signs of bleeding under skin, in internal organs and in orifices. They may develop circulatory collapse, multisystem organ failure, shock, nervous system malfunction, coma, delirium, and seizures. A variety of rashes and ocular manifestations can also be associated with the diseases. They are caused by several different families of RNA viruses, including members of arenaviruses, bunyaviruses, filoviruses and flaviviruses that are capable of causing high morbidity and mortality.