Select the correct statement with respect to diseases and immunisation

Options

A. Certain protozoans have been used to mass produce hepatitis B vacine
B. Injection of snake antivenom against snake bit is an example of active immunisation
C. If due to some reason B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen
D. Injection of deasd/inactivated pathogens causes passive immunity

Answer

C