Gk byte of the Day October 04-2013 from General Knowledge Today
VACCINES and their Inventors : 1) Small pox- Edward Jener 2) Cholera – Louis Pasteur 3) T.B.Vaccine- Calmete & Guerin 4) Polio-Jonas E.Salk More Gkbytes at http://www.mygk.in/gk/recent-questions