See page 8 of the Guide for Contract Management Planning for information on written and oral direction. Formal communications with the Contractor Include in this section technical direction to the contractor, correspondence instructions, and correspondence controls and tracking systems.
Antibodies (also known as immunoglobulins, abbreviated Ig) are gamma globulin proteins that are found in blood or other bodily fluids of vertebrates, and are used by the immune system to identify and neutralize foreign objects, such as bacteria and viruses.
active produce antibodies that fight disease pathogens: passive when antibodies are given to person-not when the person immune system make them.