Virus: Propagation, Treatments And Diseases Produced By The Virus
The virus (poison in Latin) is parasitic intracellular submicroscopic,
made up by ARN or deoxyribonucleic acid (ADN) within a denominated protection
the viral cover or cápside, that as well, is conformed of denominated
protein fragments capsómeros.
Some have an additional layer denominated envelope. The complete viral
particle is called virion. The virus parasitic intracellular is forced,
only talk back itself in cells with active metabolism. Outside them they
are reduced to inert macro-molecules.
Appearance Of The Virus
The size and forms of the virus are very variable. There are two basic
structural groups: isometric, with rod form or extended, other virus has
the form of pointed ovals or bricks with complex the round corners and
virus, with head and tail.
The virus is in all the materials and the environment of the Earth, from
the sun to the air and water. In any place where are cells to which they
are possible to be infected. The virus has evolved and can infect any
form of life like animals, plants and fungi.
Propagation Of The Virus
Many viruses invade the human body through the humid mucous membranes
that cover the respiratory routes, the eyes, the internal or the reproductive
system. I infect takes place through the fluids of the body of an infected
person or through the air in droplets of cough or sneezes.
The virus those that cause the diarrhea, propagate by the oral-fecal
route. In other cases, the propagation is made through the puncture of
insects, as in the case of the yellow fever. Within the body, the virus
the blood vessels and arteries or routes can even propagate from a place
to another one through that transport liquids between weaves, and through
the nervous cells. Once they have invaded the organism and caused a disease,
the immunological system can fight some virus completely.
The viral diseases can be endemic (own of a zone), that affects the susceptible
people, or epidemics, that appear in great swelling and attack great part
of the population. An epidemic example is the appearance of the influenza
anywhere in the world, almost always, once to the year. The virus of chicken
pox and the virus of herpes simple can remain inactive inside the cells
of the human body and to cause more of an episode of the disease, even
years after the infection.
Medical Science And The Virus
The virus represents an important challenge for medical science in their
combat against the infectious diseases. Many virus causes to human diseases
of great importance and diversity. Between the viral diseases this the
common resfriado one, affects to million people every year. Other diseases
have serious consequences like: the hemorrhagic rage, fevers, the encephalitis,
the poliomyelitis and the yellow fever. Most of the virus they cause diseases
that only produce an intense malaise, whenever to the patient serious
complications do not appear to him.
Some of these are the influenza, the measles, the mumps, the fever with
fevers (herpes simple), chicken pox, herpes (like herpes to zoster), the
respiratory diseases, the acute diarrheas, the warts and the hepatitis.
At the present time, they are continued discovering virus responsible
for important human diseases. The majority can be isolated and be identified
with the present methods of laboratory, although the process usually takes
several days.
Treatment
The treatments that exist against the viral infections usually are not
absolutely satisfactory, since most of the drugs that also destroy the
virus they affect the cells in which they reproduce. The only effective
means to prevent the viral infections are the vaccine use. Many human
vaccines against virus and of other animals have been developed.
Between the infections that suffer the people include the one of the
measles, rubella, poliomyelitis and influenza. The immunization with a
antiviral vaccine stimulates the mechanism immune car of the organism,
which produces the antibodies that will protect it when it returns to
put itself in contact with the same virus.
The altered vaccines always contain virus so that they cannot cause the
disease. We recommended being prepared against the virus, one of the forms
is to be vaccinated and the other is maintaining a good hygiene. To avoid
to be near the ill people to avoid I infect produced by the virus.
Autor: Hidrocodone Para Dolores.
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