Vaccines and immune system response
ProHealthAdmin2012-06-03T19:59:00+00:00Vaccines consist of an inactive form of an infectious disease or a foreign antigen. The intended purpose of the vaccines is to improve the immune response to an antigen. The vaccines typically contain an attenuated (weakened) or killed form of the microbe. Vaccines can also contain the inactive toxins, proteins, or polysaccharides produced by the microbe. [...]