China has banned pork products from Mexico and three states of the US in an effort to keep out the deadly H1N1 swine flu virus. The ban on the importation of pork and pork products from Mexico and Texas, Kansas and California - where human infections have been reported - was implemented with immediate effect, according to a joint statement yesterday by the Ministry of Agriculture and the General Administration of Quality Supervision, Inspection and Quarantine. The Beijing Centre for Disease Control and Prevention would work with 125 local medical institutions to monitor cases of fever, Xinhua said yesterday. The centre would increase stockpiles of medicine and emergency medical equipment and train medical staff to detect and treat cases of human swine flu. The Mexican Embassy in Beijing said the central government had offered its help, saying it had gained expertise from the outbreak of severe acute respiratory syndrome in 2003 Health authorities said earlier that no cases of swine flu had been reported and that the virus could be killed by being heated to 71 degrees Celsius. It could not be transmitted by eating cooked pork, they said. Airports and entry-exit points across the country have stepped up surveillance measures, installing walk-through thermal detectors to alert health officials to passengers with a high fever. Notices have been posted advising people who return from affected regions to report flu-like symptoms at the point of entry. The National Tourism Administration has warned Chinese residents travelling to or already in Mexico to take precautions against contracting the disease and to report to the authorities if they develop flu-like symptoms. It also warned them to avoid contact with pigs and to see a doctor immediately if they fell ill while travelling in Mexico and the three US states covered by the ban. The mainland's quick reaction stands in stark contrast to the Sars outbreak, when it was criticised for a slow response, a cover-up and mishandling the crisis. Over the weekend, relevant agencies, including the Ministry of Health, posted detailed information about the disease on their websites, including symptoms and prevention measures, and an assurance of strict border control. The ministry said the virus had no vaccine yet but was 'preventable, controllable and treatable'. It also said early stages of the disease could be treated with the anti-viral drug Tamiflu. He Jianfeng, an official with the Guangdong Provincial Centre for Disease Control and Prevention, told the Guangzhou Daily that people did not need to panic and that the authorities at entry points had been detecting abnormal body temperatures and quarantining those with high fevers.