Multiple choice “Kyansur Forest Disease” was caused by ____. Rheo virus Psittackki Virus Arbo virus Flavi virus Reveal answer Fill a bubble to check yourself D Correct answer Explanation Kyasanur Forest Disease (KFD) is caused by Kyasanur Forest Disease virus (KFDV), a flavivirus transmitted by ticks. Also called 'monkey fever' due to monkey mortality.