What would cause symptoms of high fever mild hypotension flushing conjunctiva injection and a bad rash that is bleeding in spots?

Viral hemorrhagic fevers which are a diverse group of animal and human illnesses in which fever and hemorrhage are caused by a viral infection. They may be caused by five distinct families of RNA viruses: the families Arenaviridae, Filoviridae, Bunyaviridae, Flaviviridae, and Rhabdoviridae (according to Wikipedia).