Amykatelyn221's Blog (1)

which killed them and make them safer injection there's another vaccine at the fame in backseat so this was a developed in  by Savona and this is a virus which is an attenuated virus think you see down at the bottom there  types of polio one-two and three an infection with one does not give you resisted for protection to the others so this is the tribe a look back seen and you can see by the picture that what they did they grew the virus in fact optimal conditions in different kinda cell…