<prompt> Following is NOT caused by virus:Rocky mountain spotted feverKFDDengueYellow fever  <response>: Ans. a Rocky mountain spotted feverRef : K. Park 23rd ed. 299-300Diseases, their causative agents and vectorsDiseaseCausative agentVectorRMSF Rocky Mountain Spotted FeverR. RickettsiiTickKyasanur forest disease KFD aka monkey diseaseGroup B togavirus FlavivirusHard tick in India;Soft tick outside IndiaDengueArbovirus 4 serotypes Den-1,2,3,4Aedes AegyptiYellow feverFlavivirus fibricusAedes Aegypti 