In which of the following case/s, we use subunit vaccines?
a) influenza and cholera
b) bubonic plague and polio
c) hepatitis A
d) Hepatitis B
Explanation: it is composed of only the surface proteins of the virus
For bacteria that secrete toxins or harmful chemicals, which of the following vaccines are used?
a) live, attenuated vaccines
b) inactivated vaccines
c) Toxoid vaccines
d) subunit vaccines
Explanation: A toxoid is an inactivated toxin (usually an exotoxin) whose toxicity has been suppressed either by chemical (formalin) or heat treatment, while other properties, typically immunogenicity, are maintained.
In which of the following case/s, we use subunit vaccines?
a) diphtheria and tetanus
b) bubonic plague and polio
c) hepatitis A
d) both b and c
Explanation: detoxified toxins are called toxoids
Polio vaccine is a live vaccine given from birth to ………
a) 2 years
b) 3 years
c) 4 years
d) 5 years
Which of the following vaccine is used against polio?
a) OPV
b) BCG
c) TAB
d) HBV
Explanation: Oral poliovirus vaccines (OPV) are the predominant vaccine used in the fight to eradicate polio.
Polio immunization vaccine is effective……..
a) 50%
b) 60%
c) 90%
d) 100%
