<prompt> Answer this question truthfullyCould you please explain what viral hemorrhagic fever is?  <response>: <reason> Viral hemorrhagic fever has to be differentiated from other viral fevers like:Crimean-Congo hemorrhagic fever CCHF Ebola hemorrhagic fever Hantavirus Pulmonary Syndrome Hemorrhagic fever with renal syndrome HFRS Lassa Fever Marburg hemorrhagic fever 