<prompt> Saddleback fever is known asDengue feverBrucellosisMalaria feverTyphoid fever  <response>: Saddleback fever: Two peaks of fever separated by an afebrile period in-between Seen in: Dengue, Trench fever, Bartonellosis, Chikungunya, Colaradotick fever Saddleback fever: Two peaks of fever separated by an afebrile period in-between Seen in: Dengue, Trench fever, Bartonellosis, Chikungunya, Colaradotick fever 