HANTAVIRUS

Majorities

Paula: Survivor of pulmonary syndrome by Hantavirus.

We were about to to arrive at the hospital, my breathing got worse to every second, then I was scared much, I thought that it would not obtain it.

This he is the common denominator that we found when speaking of the Pulmonary Syndrome By Hantavirus. Paula is a plus, in this case taken in time and related to CDC (Control Disease Center) of Atlanta, the United States of America.

The Hantavirus belongs to the Bunyaviridae Family, whose members are tie to some species of rodents around the world. It is a disease of acute course, normally burdens, in some cases arrives at a mortality superior to 50%. This clinical organization is well-known in East from century principles, but in the West it was identified to the Hantavirus in the decade of 1950. The peculiar name that it has must to that it was discovered during the Korean War, in the Haantan River. In the U.S.A. an epidemic bud in the zone Mexico took place again, in 1993 with about 150 cases, a rate of mortality of 50%. In Argentina the first cases appeared in 1987, and since then 70 cases dispersed in the Central Region (South of the Province of Santa Fe, Southeast of Cordova and north of the Province of Buenos Aires), in the zone of the environs of Orán, in the Lechiguanas Islands (Between Rivers), around the Handbag and soon in Bariloche have been confirmed about. The most recent cases occurred in the Buenosairean conurbano and our city, in the Furnaces and Supply. The vectors of this disease can be found in a very ample area of our country, but some countryside and the central part of the Andean-patagónica mountain range are critics.

The etiológico agent of this disease is very weak, any substance disinfectant of the used ones in the domestic scope can eliminate it with facility.

Two different syndromes exist that they can affect the human being: The Pulmonary syndrome, in which we observed respiratory fever and distrés like its main symptoms and the renal syndrome, with hemorrágica fever, by which they are affected the kidneys. In our Country the one is the Pulmonary Syndrome that produced the epidemic bud. The initial sintomatológico picture is the one of an influenza, until the respiratory difficulties happen. These symptoms normally appear between one and two weeks of to have contracted the virus on the part of the rodents. The cases that arose in Argentina were all by Pulmonary Syndrome.

The period of incubation can arrive at 40 days. Soon the patient begins to even feel symptoms similar to an influenza, that can last several days, with muscular pains, cough, fatigue and vomits. There is no medication that improves this state.

In these cases it is necessary to commit the patient soon to wait for the laboratory confirmation.

Around one week later, the respiratory difficulties begin. At this moment the patient must be derived to intensive therapy because the danger runs to die. Between the 50 and 60% of the affected ones die, according to the susceptibility of the guest, and related to the immunological system.

The virus, as already it were said before, is transmitted by different species from rodents, each stock of the viral agent is vehiculizada by a species different from rodent. For such reason all the rodents must consider themselves potentially dangerous.

The Hanta Virus? Walk? , the stock that is in the Andean-patagónica zone is transmitted by a species of called rodent? colilargo? whose scientific name is Oligorizomis longicaudatus, it has relatively short body and head, excelling noticeably the tail of about 12 cm approximately. This micromammalian account with small ears, and long back legs, live between scrubs and in the periphery of the forests. Their habits are predominantly nocturnal, is very good trepador and rare time is densely it in forest populated. One feeds on seeds and wild fruits, therefore sees it without difficulty in the proximities of local plants like the mosqueta rose, Moors and other vegetables with showy fruits.

This rodent has the same abilities that its relatives, the sinantrópicas rats, can dig until 1.20 mts; to fall from 3 mts of height; to climb to 90º; to jump in high up to 90 cm and length up to 3 mts; to swim until 1000 mts and is able to nibble any material.

In the rest of the country we can find other stocks of this terrible virus carried by other species of rodents, for example: the Stock? Lechiguana? and a stock that occurred in calling? Parchment.

I infect

The rodents coexist with the virus without undergoing the symptoms. This it is eliminated through the excrements, it tinkles and the saliva. The people infect themselves when being in contact with the enemy with these excreciones by the mouth, nose, eyes or wounds, although the greater possibilities of I infect are observed via aerosol (particles in suspension), when the human being inhales steam that separate of lees of the mice in where is the virus. The aerosols can be solid remainders in the case of you excrete them

microdrops in the case of wet vegetables. In addition infection by means of mordeduras or through the biological liquids of the rodents can be produced that take contact with wounds, although are not the frequent forms but of infection.

The route of I infect by aerosol is commonest than it happens in closed places; it is improbable, although nonimpossible I infect by this same one via in places outdoors or opened and exposed to the wind.

Our experience indicates that most of the cases that we have documented, the bud took place in people who were shaking carpets or sweeping and raising dust in places where were excrements and that were not ventilated suitably?

Brian Hjelle and Steve Simpsons

North American specialists

It is demonstrated that in our country the possibility of I infect is low, and is within the world-wide parameters.?

Dra. Delia Enría - Maiztegui Institute - Parchment

The virus, as it has been briefed previously, does not have long time of sobrelife outside the hospedador, except in places closed and with high humidity tenor where it can live hours and until days. One easily eliminates with agents disinfectants such as the lavandina or the quaternary ammonium, although most of the investigators agrees when saying that the effective disinfectant but is iodopovidona (Pervinox). According to joint investigations between the Institute Maiztegui de Pergamino and the Malbrán Institute of the city of Buenos Aires it is suspected I infect person to person, and, laboratory studies have confirmed that in some species of sinantrópicos rodents are presence of hantavirus; in at least one of the named species previously, Rattus norvegicus.

The low amount of cases does not exist bovine until the given moment. In the United States of North America there is a medicine that reduces the possibilities of death in the infected ones. The price of this called drug Ribavirin ascends to the reasonable sum of 500 dollars.

Cycle of the Hantavirus

The rodents scatter the virus with the Other rodents are contaminated

Excrements, tinkle and saliva.

Rodents contaminated When sweeping or shaking carpets we raised dust that we can aspire and thus enters the virus in our organism.

This it is lead towards the lungs. To breathe contaminated air is the main method of transmission.

Otras secciones interesantes...
Dog Breeds - Basic health care - Esthetics - Dental Care - Reproductive System - Hormonal disorders - Immunological disorders - Diets - Nutritional disorders - Kittens - Alternative Medicine - Cardiovascular disorders - Courses - Monodrugs - Universities -