This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
Given three general of mosquitoes (Culex, Anopheles, and Aedes) act as vectors for which of the following diseases world wide - 
Select and explain. 
A. Malaria, B. Dengue, C. Filariasis, D. Yellow Fever
C: Filariasis
Answer: C: Filariasis 
Explanation: Anopheles and Aedes cause filaria (not in India), culex cause bancroftian filariasis. Hence filariasis is the one disease caused by all three major genera of mosquito Park's textbook of preventive and social medicine 25th edition.