Differences between Salk type (IPV) and Sabin type (OPV) vaccine
The differences between Salk and Sabin type vaccine are as follows: S.N Salk type (IPV) S.N Sabin type (OPV) 1. Stands for inactivated polio vaccine....
Virulence factors of Group-A Streptococcus
Streptococcus are gram positive, catalase negative cocci. Are spherical or ovoid, 0.5-1µ in diameter, arranged in chains, non-motile and non-sporing. They may become gram negative...