Viral hemorrhagic fever

Viral hemorrhagic fever is a group of arboviruses caused by natural epidemic diseases, with fever, bleeding, and shock as the main clinical features. Such diseases are widely distributed in the world, with more severe clinical manifestations, high mortality rates, different pathogens, parasitic hosts, and transmission routes. There are also some differences in clinical manifestations, and they are often prevalent in certain regions. Since the 1960s, more than a dozen types of hemorrhagic fever caused by the virus have been found around the world. Among them, epidemic hemorrhagic fever (renal syndrome hemorrhagic fever), dengue hemorrhagic fever and Xinjiang hemorrhage in Xinjiang have occurred widely in China. Fever (Crimea-Congo hemorrhagic fever).