<prompt> All of the following diseases are transmitted by mosquito vectors except-West Niler feverBrugian filariasisBabesiosisRift valley fever  <response>: West Nile fever- Culex mosquito Brugian filariasis- Mansonian mosquito Babaesiosis- hard ticks Riftvalley fever- Aedes mosquito. Parks Textbook of Preventive and Social Medicine, 25th Edition, Pg 832 