Attenuated Vaccines Are Generally More Effective Than Subunit Vaccines Because

Attenuated vaccines are generally more effective than subunit vaccines because:

A) subunit vaccines do not require booster shots.
B) attenuated vaccines may permit viral growth with enhanced disease mimicry
C) attenuated vaccines only elicit a humoral immune response.
D) attenuated vaccines elicit a weak immune response.
E) subunit vaccines elicit both a humoral and cell-mediated immune response.