This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
Culex mosquito is a vector for: 
Select and explain. 
A. Chikungunya fever, B. Dengue fever, C. Japanese encephalitis, D. Malaria
C: Japanese encephalitis
Answer: C: Japanese encephalitis 
Explanation: ANOPHELES CULEX AEDES MANSONIA Boat shaped Small in clusters Single ; Cigar shaped Star shaped ; in clusters Rest parallel to water surface Rest at an angle to water surface Rest at an angle to water surface Attached to roots of Aquatic plants - Sits by making an angle of 45o with surface - Have straight body & spotted wings - Hunchback posture - Hunchback posture 3-5 Km 11 km 100 m Clean water. Hence known as Sophisticated mosquito Diy water - Nuisance mosquito Aificial collection of rain water. - Tiger mosquito Aquatic plants Malaria Lymphatic filariasis Japanese Encephalitis West nile fever Dengue Chikungunya Yellow fever Zika virus Rift valley fever Brugian filariasis