Washington, 12 sep (EFE).-the number of cases of West Nile virus in the United States has risen to infected 2,636 and 118 registered deaths, making it the worst outbreak since the disease reached the country in 1999, today indicated authorities sanitary.

nationally the number of cases has increased by 35% in the last week, said on a conference call Lyle Petersen, director of the division for the prevention of diseases transmitted by vectors of the Centers for the Disease Control and prevention’s (CDC) of US

this year is on track to exceed the number of deaths from the virus of 2002 which came to 284, and 2003, when killed 264 people, explained the Petersen.

Texas is the State most affected by the outbreak, with 50 of 118 deaths nationwide and 44% of the cases (a total of 2,636 1,150).

two thirds of those affected are concentrated in six States in the country: Texas, Louisiana, Dakota of the South, Mississippi, Michigan and Oklahoma.

according to U.S. authorities, about one in 150 people infected by this virus, transmitted by mosquitoes, contracts the disease in a way serious.

the rest can present symptoms such as fever, headache, body aches, pains in the joints, vomiting, diarrhea or rashes skin.

with higher risk are people who are above 50 years and those who have suffered illnesses such as cancer, diabetes or kidney, as well as those who have undergone transplants of organs.

in spite of this, most of the people who contracted the virus through a mosquito bite is not aware of having it, since in 80% of cases do not suffer symptoms.

< p> De fundamentele bronnen van besmetting van het virus, die kwam naar ons uit Afrika in 1999, zijn de beten van geïnfecteerde muggen en, in uitzonderlijke gevallen, transfusies en plantgoed, maar nooit contact met directe.

op nationaal niveau, het aantal gevallen met 35% in de laatste week gestegen, zei op een conference call Lyle Petersen, directeur van de afdeling voor de preventie van ziekten overgebracht door vectoren van de Centers for Disease Control and prevention (CDC), Verenigde Staten.UU. WireImage /