Disease Scientist Source Year Rabies Louis Pasteur and Emile Roux Virus harvested from dead rabbits 1885 Polio 1.Transmitted to monkeys– Landsteiner and popper ------- 1908   2. Preparation of serum by inoculating in horse- Pettit ------- 1917 3. Same by using chimpanzee (neither of them proved effective than Netters serum) ------- 1932   Rotaviral diarrhea Ruth bishop was first to describe the virus From the faeces of children 1973 Thomas Henry Flewett suggested the name rota virus ------- 1974 First licensed vaccine Cell cultures developed from monkey kidneys + trypsin 1998 Infectious bursal diarrhea The virus recognized ------- 1967 Foot and mouth disease Friedrich Loeffler   Described the cause and showed virus in the filterate 1897 Waldmann and Pape Used animal model to show the virus ------- : Source not mentioned.

Table 1: Development of conventional vaccines with their inventor [4].