The toe is swollen, red, hot, painful, and the animal is reluctant to walk on that toe. Into the nose. The class of cells in the body which are responsible for mounting an immune response. Two main types are B cells and T cells. Chemicals produced by T lymphocytes.
Some lymphokines signal macrophages and other phagocytes to destroy foreign invaders.
If the animal is again exposed to the substance, these cells will help the body respond much faster and to a higher degree. A vaccine that is manufactured to stimulate the body to produce protection against only one disease, e.g., rabies vaccine. A vaccine that combines two or more components to stimulate the body to produce protection against all the components. Some bacteria, such as those that normally live in an animal's intestines, are nonpathogenic. Immunity produced by providing an animal with antibodies or immunologic cells from another source, such as colostrum.