What does th1 do?
What does th2 do?
What does th3 do?
act on small, phagocytosable, intracelllular pathogens; and stimulates and inflammatory response.
act on large, non-phagocytosable, extracellular helminths, shifts the immune response from cell mediated to humoral immunity.
important in mucosal immunity; inhibits the action of th1 and th2, and anti-inflammatory.