If a person's immune system is producing antibodies against a specific antigen, then that person has a positive or active immunity toward that antigen. If a person has merely been injected with antibodies but does not produce them, that is a passive immunity.
having the actual disease
A positive varicella zoster virus IgG is evidence of immunity to chickenpox, whether from prior disease or from vaccination.
In order to show positive immunity your blood level must reach a level of 1.10 If it's 90 then you have no immunity and should be vaccinated. If you are between say 1.00 to 1.09 then you some immunity but should have a booster of either measles (mmr) or varicella.
The three types of immunity is innate immunity, adaptive immunity, and passive immunity.
There are three special cases of immunity from tort liability. They are intrafamily immunity, governmental immunity, and charitable immunity. Intrafamily immunity is immunity from a tort action brought by an immediate family member. Governmental immunity is immunity of a governmental agency from a tort action. Charitable immunity is immunity of a charitable organization from a tort action.
mostly antiviral immunity is the result of cell mediated immunity and antibacterial immunity is result of humoral immunity
explain the difference between sovereign immunity qualified immunity charitable immunity and interspousal immunity?
Actually acquired immunity consists of "humoral immunity" and "cell mediated immunity. Acquired immunity is the same with adaptive immunity, it is when the antibodies are produced within the bodies after the exposure of pathogen. Humoral immunity secreted antibodies while cell mediated immunity involves in production of T lymphocytes.
active acquired immunity and passive acquired immunity
The response to infections is active or cellular immunity. Acquired immunity
How immunity is attained
Passive natural immunity