Disease caused by virus as yellow fever and varicella, treatments, and spread

Many times we ask ourselves, because we sick us or because our children acquire illness such as varicella, yellow fever, some influenza or diarrhea, unfortunately there are viruses that spread in the environment or pass just to talk to a person and without realizing we contagiamos with this virus.

This article describes the appearance of viruses and spread, how this can help us to avoid giving us according to the type of virus that exist, parents may take the measures necessary to protect their children from any disease which can even be fatal as hepatitis.

Viruses (poison in Latin) are submicroscópicos intracellular parasites, composed by RNA or DNA) of protection called viral cover or capsid, which in turn consists of pieces of protein called a capsid.

Some have an extra layer called the envelope. The complete viral particle called virion. Viruses are obligate intracellular parasites, only replicated in cells with active metabolism. Out of them are reduced to inert macromolecules.
 

Physical appearance

The size and shape of the virus is highly variable. There are two basic structural groups: Isometric, rod-shaped or elongated, other viruses have the form of sharp ovals or bricks with round corners and complex viruses, head and tail.

Virus found in all materials and the environment of the Earth from the Sun to air and water. Anywhere where are cells which can infect. Viruses have evolved and can infect all life forms such as animals, plants and fungi.
 

Propagation Of The Virus

Many viruses invade the body of the moist mucous membranes lining the airway, eyes, intestines or the reproductive system. Infection occurs fluids in the body of an infected person or air droplets of coughing or sneezing.

The viruses that cause diarrhoea are propagated via oral-fecal. In other cases, the spread is performed on the insect bites, as in the case of yellow fever. Inside of the body, viruses can propagate from one place to another on blood vessels and arteries or pathways that carry liquids between tissue and even by nerve cells.

Once you have invaded the body and caused a disease, the immune system can combat altogether some viruses. Viral diseases may be endemic (own a zone), affecting susceptible or epidemic, persons who appear in great waves and attacked a large part of the population.

An example of epidemic is the appearance of flu worldwide, almost always, once a year. The chickenpox virus and herpes simplex virus can remain inactive in the interior of the human body cells and cause more than one episode of the disease, even years after infection.

The advancement of the medical science

Viruses are a major challenge for medical science in his fight against infectious diseases. Many viruses cause human diseases of great importance and diversity. Viral diseases this resfriado common affects millions of people each year. Other diseases have serious consequences such as: rabies, haemorrhagic fever, encephalitis, tetanus, polio, and yellow fever.

Most viruses cause disease that only produce an intense discomfort, wherever the patient is not filed serious complications. These include influenza, measles, mumps, fever with fever (herpes simplex), chickenpox as the herpes (herpes zoster), respiratory diseases, acute diarrhoea, warts and hepatitis.

Continue today, discovering viruses responsible for important human diseases. Most can be isolated and identified with the current methods of laboratory, although the process typically takes several days.

Treatment

Treatments that exist against viral infections are not entirely satisfactory, since most drugs that destroy viruses also affect cells in lasque are reproduced. The only way to be effective in preventing viral infections is the use of vaccines. Many vaccines against human viruses and other animals have been developed. Infections with persons include the of the measles, rubella, poliomyelitis, influenza.

Vaccine: Immunization method

Immunization with antiviral vaccine stimulates the immune auto body, mechanism which produces antibodies that will protect it when you return to get in touch with the same virus. Vaccines contain always altered viruses that cannot cause disease.

As shown there are many diseases caused by viruses, for this reason we recommend be prepared against viruses, one of the forms is shot, and the other is maintaining good hygiene. Avoid being close to sick people to avoid produced by the virus.

Autor: Hidrocodone Para Dolores.

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