Microorganisms and Disease
The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

live attenuated strains of all three immunological types
heat killed virus
formalin-inactivated viruses
small dosage of wild-type live viruses

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
The "A" subunit of diphtheria toxin

cause ADP ribosylation of a factor involved in protein synthesis
lysis macrophages with the release of cytokines
forms cAMP that leads to fluid accumulation
binds host cell receptors found on heart cells

ANSWER DOWNLOAD EXAMIANS APP