Virus, the public enemy number 1 It does not measure more than 30 millionth of mm. Cause grippe, measles, paralysis, smallpox,
AIDS and etc. He does not feed yourself nor he breathes, nor he produces thing some, but he is capable to be multiplied. For this, he uses to advantage yourself of the mechanisms of the cells where if he houses, later he sacrifices them. They are known about 1000 species of
viruses, responsible for 60% of the illnesses in animals and plants. To each step, it is uncovered virus presence where it was not suspected. One in the spinal liquid of 17 of the 50 examined esquizofrênicos was found. The
antibodies are a threat of the organism against strange agents, are as operated by remote control missiles. Viróticas illnesses had in general remained a mystery until the invention of the electron microscope in the decade of 1940. The equipment allows to see the virus, that in Latin means poison and that isolated and it was photographed for the first time in the decade of 1950. Many antibodies live and die ingloriamente without finding the antigen for which they had been made and stopping with it a battle of life or death. The vaccine is composed always of inactive or attenuated viruses, whose function is to call the attention the antibody, that despertado fight with the false virus. When unprepared, the cell receives the virus amigavelmente, without perceiving that this is a full stranger of bad intentions. The guest trai the host, runs for the nucleus, a species of brain of the cell and the commands take it. The cell starts to manufacture compulsory more and more virus, until of so full, it it blows up, proliferating more viruses, that invade neighboring cells. In that they possess RNA are called retrovírus, where a located enzyme inside of a pack of the virus has that to transform the RNA into DNA, therefore this is only acid the capable one to enter in the nucleus. Drugs as the AZT search to make it difficult the life of retrovírus of the AIDS, being eliminated such enzyme. The organism, when feeling the strange presence, sends white globules of the blood, called macrophages that swallow the cell infectada. Existing cells T in the blood start to manufacture the antibodies to size that they kill or they neutralize the viruses. The production of this delay of 3 the 7 days, the virus of the AIDS attacks cells T exactly. This happening, confides space for a series of opportunist infections. They would not appear case cells T functioned normally. The virus of the grippe is one of most mutant, losing only for the one of the AIDS, where each generation does not last at least one month.