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Archive for February, 2010

The immunization is defined as the acquisition of protective immunity against an infectious disease. Practice is that aims to increase the resistance of an individual against infection. It is administered by vaccine, immunoglobulin or serum of antibodies. Vaccines are used to induce active immunity, its administration results in a biological response and the production of specific antibodies. Thus, immunity is induced against future infections by the same microorganism. The active immunity lasts for many years, is induced by the passive administration of antibodies against a particular infection. The antibodies harvested from human immunoglobulin are called and the animal sera. Passive immunity lasts only a few weeks. Active immunization occurs when the individual’s own immune system, when in contact with a foreign substance to the body responds by producing antibodies and immune cells. This type of immunity usually lasts for several years, sometimes for a lifetime. The two ways to acquire active immunity is contracting an infectious disease and vaccination.

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The following is the causes of occurrence of low birth weight babies (baby fetal factors). The first is Congenital defects (congenital disorder) congenital abnormalities is disparity in the growth of infants structure arising from the conception of the life of the egg. Babies born with congenital abnormalities generally will be born as Low Birth Weight (LBW) or small baby to her pregnancy. Low Birth Weight Infants with congenital abnormalities that have a weight of about 20% died in the first week of life.

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