The authorities in Beijing Chinese capital and the Eastern province of Shandong sought the travellers of plane and of train which had come into contact with a 19 year old student who Wednesday was confirmed to have the virus of has (H1N1).

China, criticized for its handling of the crisis of SARS six years ago, reacted aggressively to prevent an important demonstration in the world the 's the majority of populeuse nation of the influenza of pigs, which up to now killed more than 60 in Americas.

The World Health Organization (WHO) indicated that Wednesday more than 5.700 cases had been reported in 30 nations -- more than half of them, including three died, in the United States.

More than 2.000 other cases are in Mexico, the origin of the demonstration where WHO confirmed 56 died and the national administrations paid of four more still.

More than 350 people were infected and a person died in Canada, where 19 years the Chinese man, identified only by his family name Lu, had been before arriving in Beijing last week.

It apparently felt sick Sunday, two days after the unloading in China, but nevertheless went up on train Monday for the province of Shandong with a fever, a throat endolorie and an headache.

The provincial department of health sought always more than 20 people who travelled in the same carriage of train with Lu, as well as all the passengers of her flight of Air Canada in Beijing.

Lu went well to the second victim confirmed of influenza on the continent after a 30 year old man in the city of the south-west of Chengdu, which had been in the United States before next house in China.

Two other cases were confirmed in HongKong. The authorities there indicated that they had quarantined six people who travelled with the second case, of the 24 men of years, in the plane of San Francisco.

Of the 45 people more still who sat down close to him on her voyage had already left HongKong, they said.

The cases in China and in HongKong accentuated the concern which it virus -- considered to be a mixture of the influenza of bird and human which came together in the pigs -- could draw aside further around the world while the victims travelled by plane.

Belgium Wednesday confirmed its first case of the influenza of pigs at a 28 year old man who also had been in the United States, minister of Laurette health that Onkelinx indicated.

To Mexico, the minister of health Jose' Angel Cordova said that the toll of dead had risen to 60 and the number of almost infected patients with 2.400, as expert packed to examine an arrear of the samples.

But Cordova insisted this Mexico the 'beaches and resources of S -- an important source of foreign income -- were sure for visitors.

There 's no risk with the tourists, it indicated, noting that the majority of the cases of influenza detected in neuralgic points of holidays like Cancun and Acapulco went up almost during two weeks.

One expected that the demonstration of influenza of pigs costs Mexico the 'saving in S approximately 2.3 billion dollars -- or approximately 0.3 percent of gross domestic product.

Naturally him 's be very unpleasant, but the country 'the S always there, Foreign Minister Patricia Espinosa indicated.

Us the 'VE obtained our hotels, infrastructure, us 'about loan and of waiting to receive tourists and to receive investors and investment, and us 'on the subject gradually of the procedure to follow towards normality still.