Why does the body have both antibody and cell-mediated immune responses?

To obtain immediate immunity against tetanus, a patient should receive:

a. An attenuated vaccine of Clostridium tetani

b. A modified live vaccine of C. tetani

c. Tetanus toxoid

d. Immunoglobulin against tetanus toxin (antitoxin)

Which of the following vaccine types is commonly given with an adjuvant?

a. Attenuated vaccine

b. Modified live vaccine

c. Chemically killed vaccine

d. Immunoglobulin

Which of the following viruses was widely used in living vaccines?

a. Coronavirus

b. Poliovirus

c. Influenzavirus

d. Retrovirus

Attenuation is:

a. The process of reducing virulence

b. A necessary step in vaccine manufacture

c. A form of variolation

d. Similar to an adjuvant

What are the advantages and disadvantages of attenuated vaccines?

Compare the advantages and disadvantages of passive immunotherapy and active immunization.

Compare and contrast herd immunity and contact immunity.