All of the following rabies vaccines are commercially available except -: (A) Killed sheep brain vaccine, (B) Human diploid cell vaccine, (C) Vero continous cell vaccine, (D) Recombinant glycoprotein
Answer is D. Subunit vaccine -The glycoprotein subunit in the virus surface which is the protective antigen, has been cloned and recombinant vaccines produced. They are still in the experimental stage. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:536