, is an
the birds. It
been caused by stocks To of the virus of the
identified for the first time in Italy for more than one hundred years and
15 subtypes virus of the bird
are known that circulate between the populations of birds.
appears anywhere in the world and it is considered that all the birds are vulnerable to her, although some species are more resistant to the
In the birds, the
causes an ample phantom of symptoms that go from slight to contagious and quickly mortal pictures highly, which gives rise to serious epidemics. This last one is what it is known like "highly pathogenic bird influenza". This variant is characterized by its fast appearance, the gravity of the symptoms and its sudden evolution, with
mortality very near the 100%.
The transmission to the human beings, only takes place by direct bonding and repeated with the infected birds or their excrements. I
is not easy and it is only possible in exceptional circumstances (one
only occurred in exposed people of form continued to birds, in farms or markets of alive animals)
The established control programs at world - wide level by the World - wide Organization of the
, have allowed to follow the evolution of the bud day day, with which it is known in what countries could take place
and before it to establish the suitable preventive measures.
It is important that the people who have traveled to risk regions, like: Cambodia, China, Hong Kong, Indonesia, Japan, Korea, Laos, Thailand and Vietnam among others and return with some symptom, they go immediately to the institutions of
and comment with its antecedent east
to make the studies and to take pertinent the preventive measures.
With respect to their
, 15 subtypes virus of the
are known that
the birds, which represents ample reservorio of virus gripales, which they are potentially circulating, since the migratory
birds, mainly the wild ducks, in addition to being reservorio
of the virus of the bird
, are also most resistant to the
. The domestic poultries, in individual the chickens and the turkeys, are very vulnerable to the epidemics of sudden
, reason why in seasons of epidemic thousands of species die.
In addition to being highly contagious, the virus of the bird
the alive animals markets of and by means of equipment
themselves easily in, vehicles, cages or contaminated clothes of the people who handle to the contaminated birds.
Recent investigations on this virus have demonstrated that some that apparently are of low risk, can mutar and be transformed into virus very dangerous, in addition the virus can survive during long periods in the atmosphere, mainly to low temperatures,
even so, certain level of protection can be obtained establishing the measures implemented by the sanitary authorities.
The group of forty of the infected farms and the sacrifice of the infected populations of habitual birds or potentially exposed are measured of control to prevent the propagation to other farms and the possible root with the virus in the population of poultries of
The important thing is to apply the suitable preventive measures to avoid pandemics and epidemics long play, like which there were in
in 1992 began with
low pathogenicity, are to say with apparent little danger,
it evolved towards
highly deadly form and it
not possible to be controlled until 1995.
The content of this note is informative and it does not replace the medical diagnosis reason why we do not become people in
on its use.