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

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

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Microorganisms and Disease
Prontosil is

an effective antibacterial both in animals as well as in in-vitro cultures
an effective antibacterial when used in in-vitro cultures
not used as an antibacterial agent
an effective antibacterial when used in animals

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Microorganisms and Disease
What is common in catheters and ventilators?

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

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