Types of immunity

2 types of immunity

Active immunity and passive immunity

Active immunity

Lymphocytes produce their own antibodies as a response to stimulation by the antigens.

Passive immunity

Type of immunity when body receives antibodies from an external source.

Immunity acquired after recovery from an infection

Natural active immunity

Immunity is acquired through breastfeeding and from mother to fetus during pregnancy.

Natural passive immunity

Artificial passive immunity

Acquired through an antiserum injection.

Artificial active immunity

Acquired when an individual is given a vaccine injection.

Artificial active immunity is acquired through vaccine injection.

Artificial passive immunity acquired through antiserum injection.

Vaccine injection

The vaccine injected is a suspension of pathogens that are weakened, dead or non-virulent.

Antiserum injection

Antiserum injected in the body is a serum that contains specific antibodies.