The Forgotten History of Vaccinations You Need to Be Aware Of

One of the major arguments against vaccine-induced immunity is that it primarily stimulates the humoral immune system and not the cellular immune system. Antibodies are produced by the humoral immune system and then routinely measured to determine "immunity." The problem with this approach is that you can have high antibody levels and still get the disease. It’s very difficult and expensive to measure the cellular immune response, and immunologists admit that they are still in the dark about a lot of the finer points of the overall immune response .... http://articles.mercola.com