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

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

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
What is common in catheters and ventilators?

Bacteria responsible for associated infections are usually susceptible to antibiotics
They predispose patients to viral rather than bacterial infections
They are used primarily in neonatal intensive care units
They bypass important defenses of the body

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
The influenza vaccine is administered each year because

the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time
it is a polysaccharide vaccine that does not confer long-term protection
mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines
None of these

ANSWER DOWNLOAD EXAMIANS APP