<prompt> Flavivirus associated with congenital microcephaly isWest Nile virusYellow fever virusZika virusDengue virus  <response>: Ref: Ananthanarayana textbook of Microbiology 9th edition Pgno : 520 FLAVIVIRIDAEFamily Characteristics Enveloped, icosahedral Positive-sense ssRNA Ahropod-borne arboviruses Virus Disease St. Louis encephalitis virus Encephalitis West Nile encephalitis virus Encephalitis Dengue Break bone fever rash, muscle and joint pain, reinfection, can result in dengue hemorrhagic shock Yellow Fever virus Yellow fever: liver, kidney, hea, and GIblack vomit damage Zika Mild - febrile illness of rash and ahralgiaCongenital: microcephaly and fetal demise 