1.2.9 Chikungunya Fever 21 1.2.10 O ' Nyong-Nyong Fever 24 1.2.11 Mayaro Fever 25 1.3 Zoonoses Caused by Flaviviruses 26 1.3.1 Agents 26 1.3.2 Complexes of the Flaviviridae with Clinical Importance 27 1.3.2.1 Virus Complex Transmitted by Ticks 27
1.3.2.2 Virus Complex Transmitted by Mosquitoes: Japanese Encephalitis Virus and Related Encephalitis Viruses 27
1.3.2.3 Agents Causing Yellow Fever and Dengue, Forming Two Closely Related Virus Complexes 27
1.3.3 Zoonoses Caused by Tick-Borne Flaviviruses 32
1.3.3.1 Tick-Borne Encephalitis( TBE) European Subtype( Central European Encephalitis) and TBE Eastern Subtype( Russian Spring- Summer Meningoencephalitis) 32
1.3.3.2 Louping Ill 37 1.3.3.3 Powassan Virus Encephalitis 38
1.3.3.4 Kyasanur Forest Disease and Alkhurma Virus Hemorrhagic Fever 39
1.3.3.5 Omsk Hemorrhagic Fever 40
1.3.4 Zoonoses Caused by Mosquito-Borne Flaviviruses 41 1.3.4.1 Japanese Encephalitis 41 1.3.4.2 Murray Valley Encephalitis and Kunjin Virus Disease 44 1.3.4.3 St. Louis Encephalitis 46