What is passive immunity?
Passive immunity is a form of immunity that occurs when antibodies are transmitted from one person to another person, or when the antibodies of the origin of animals are introduced to man. This type of immunity is a short acting and is usually observed in cases where the patient needs immediate protection from something and he or she cannot create antibodies quickly enough independently. Antibodies can be transmitted by the placenta or transmitted through a colostrum, a liquid that is produced in the breast for the child's first meal. The antibodies transmitted through a colostrum and placenta generally last only a few weeks, which is long enough to allow the child to start building their own immune system and create their own antibodies. For example, in the treatment of some patients, serum may have derived from patients who have recovered to help them fight the disease. This practice is sometimes seen when people are engaged in the outbreak of a new or extremely virulent disease for which no one is knowná á the treatment. In some cultures, the colostrum is used to produce passive immunity in adults in the same way as in children.
Prophylactic treatment of antibodies is sometimes administered when people are exposed to diseases such as rabies, botulism, tetanus and diphtheria. By providing patient passive immunity, the doctor can help the patient recover from a disease that the patient's body is unable to fight. Passive immunity is not the same as vaccination, a process in which a small amount of antigens is introduced to the body to encourage its own antibodies so that it can fight these antigens in the future.
When the body creates its own, as can be seen when someone is vaccinated, it is known as active immunity. Active immunity lasts much longer than passive immunity, sometimes persists throughout life to prevent the disease, in significant contrast with the temporary state of passive immunity. InductionIme immunity is often preferred if possible because it will support the patient's health in the long term. However, the artistic creation of active immunity is very complicated because this included the controlled introduction of antigens into the body, and this may be dangerous to some patients, as can be seen when the so -called "living" vaccines cause outbreaks.