<prompt> About rabies true is -Vaccine causes life long immunityMultiple strains are foundCNS infection occurs through viremiaBullet-shaped nonenveloped, double stranded RNA virus  <response>: The introduction of cell culture vaccine which are free from serious complication has made pre exposure immunisation in humans safe and feasble REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.534 