This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Flavivirus associated with congenital microcephaly is 
Select and explain. 
A. West Nile virus, B. Yellow fever virus, C. Zika virus, D. Dengue virus
C: Zika virus
Answer: C: Zika virus 
Explanation: 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 GI(black vomit) damage Zika Mild - febrile illness of rash and ahralgiaCongenital: microcephaly and fetal demise