2012-06-04 08:31
Guangzhou Taihe livestock wholesale market, managers said it would conduct daily stop disinfection in the 10th, the 11th, for the time being is not necessary expertise to take disinfection measures. Southern Reporter Liu photo
Southern News boys condition released yesterday, the Hong Kong Department of Health Centre for Health Protection confirmed avian influenza: the boy was still in the Princess Margaret Hospital for isolation and treatment, the situation remains serious. Guangdong Province Center for Disease Control said 26 contacts within Guangdong no fever and other flu-like symptoms, and incidence from the boy has been 11 days, so that the urban area of Guangzhou low possibility of human avian influenza cases. Hong Kong Ji boy still serious 2-year-old boy returning from Guangzhou recently been diagnosed to be infected with influenza H 5N 1 (avian influenza). Yesterday, Hong Kong Department of Health Centre for Health Protection on the boys' condition released. The boy is still Princess Margaret Hospital for isolation and treatment, the situation remains serious.
In order to prevent the spread of the epidemic, the Centre for Health Protection of Hong Kong Department of Health continue to contact who had contact with the boy, including two Caritas Hospital medical staff, they presented with respiratory symptoms but nasopharyngeal aspirate specimen influenza H 5 was negative.
The center epidemiological survey found that the boy had 20-22 May visit to the mainland, Anhui Province, during which there is no direct contact with poultry. He worked in mid-May to the live poultry market in Guangzhou near their homes. Hong Kong Centre for Health Protection has issued a letter to the districts of Hong Kong doctors to remind them to pay special attention to the patients served markets or contact with live poultry in Guangzhou.
Yesterday, the Southern reporter called Anhui Province CDC. Anhui Center for Disease Control Communicable Disease Control Branch official said, Because the boy is healthy, in Anhui Province and the absence of disease, so they do not have this epidemiological survey.
Guangzhou community human to human transmission risk is extremely low Yesterday, the chief expert of the Guangdong CDC, infectious disease prevention and control of the director Jianfeng said, boy fever has passed two weeks, in close contact with young boys as of yesterday 26 people who have not developed symptoms of fever symptoms Experts believe that the community of bird flu transmission risk is very low in the urban area of Guangzhou.
Jianfeng introduced, 26 may be exposed to avian influenza virus of stakeholders, including: clinic for boys over the Guangzhou Children doctors and nurses, doctors and nurses, as well as South Park markets in the Second Hospital of Zhongshan poultry stall owners, the boy's grandmother and other . General avian influenza infection in humans, the incubation period ranging from one day to seventy-eight days, mostly in the infection of two to four days onset. As the boys a fever on May 23, is now 11 days, nearly two weeks, 26 people are fever and other flu-like symptoms, therefore, provinces, municipalities, disease control experts after research, basic very low risk of transmission of bird flu transmission in human cases of avian influenza that is, urban people in the urban area of Guangzhou.
"Guangdong has been in the life bird flu monitoring this year, the current six months, also found no positive samples of human avian influenza, so the boy was infected with the avian influenza cases should be the case." Jianfeng said.
Guangzhou City CDC Renwang Ming said, dozens of close contacts in Guangzhou is not infected. Health professionals on the child's grandmother, contact your child's doctor, Meat Market staff have carried out human avian influenza throat swab paper testing and blood testing, the results were negative, CDC staff will continue to conduct dynamic monitoring. "
Macau flu level temporarily enhance Hong Kong's immigration boy infected with bird flu cases, and cause Macau alert authorities. Macao Health Bureau said yesterday that it found no birds or bird flu, temporary does not enhance the detection of immigration will not enhance influenza-level. Macau for nearly a week has been a collective of 10 influenza or EV 71 enterovirus infection, including prisons, nurseries, nursing homes, primary schools and so on.
Where the disease is still in doubt Past cases of human avian influenza in late autumn, winter and early spring temperatures lower, so why the boy will be the incidence in the summer heat? Guangzhou CDC Renwang Ming said, the all the incidence of human avian influenza situation in China's performance for the dissemination of its seasonal high incidence of properties is not obvious, is not surprising that similar cases in the summer heat season. "Before the child to be in Guangzhou, have been to Anhui, what and where disease is still in doubt."
Suspected the infection source is a duck Because boys had a history of live poultry exposure, ducks, and disease control experts suspect that the source of infection is a duck. Source of infection had more birds, chickens, ducks and other poultry infected with avian influenza virus different?
He Jianfeng, chief expert of the provincial CDC, said this case the source of infection may in Mainland China, Guangzhou is a high index of suspicion. "Ducks are not the same as with the other birds infected with avian influenza virus not develop the disease, it is the avian influenza virus reservoir host, is living with HIV. Part of the ducks infected with avian influenza virus does not die, while chickens infected with avian influenza virus will soon be die. "
Government initiatives
Southern Reporter yesterday learned from the Guangzhou Municipal Bureau of Agriculture At present, Guangzhou has organized veterinary experts to the prevalence of avian influenza in Hong Kong poultry markets boy visited to conduct epidemiological investigations, and epidemiological investigations within the city, and in the city's deployment to further strengthen the major animal disease prevention and control work. As of 18:00 yesterday, has not received the poultry unusual deaths and the outbreak of highly pathogenic avian influenza. June 2, the Guangzhou Municipal Bureau of Agriculture staff first boy been to Guangzhou Haizhu District, South Park Avenue farmers market survey from the monitoring of the situation, the market is still relatively stable. "He also said farms and wholesale markets, liquidity is relatively large, a larger volume, although the relevant departments in monitoring, but slip through the risk is relatively high. As for the boy whether the incidence of contact with poultry in Guangzhou, still under investigation.
Yesterday, the relevant departments of the Municipal Bureau of Agriculture has begun the farmers market traceability survey, Guangzhou City Animal Quarantine within has launched emergency investigation plan, all staff must be available 24 hours a waiting list. Yesterday morning, in three columns of the relevant departments of the Municipal Bureau of Agriculture, visited the the farmers market in the Haizhu District Baiyun District Panyu District, two large poultry wholesale market sampling, although the suspected incidence of boys had contact with ducks. However, due to the chicken to be highly susceptible and a larger volume, and blood sampling has begun to poultry such as chickens and ducks, especially the farmers market, Haizhu District, the sale of all poultry will be sampling. "From the current monitoring efforts, large-scale outbreak of avian flu is basically impossible." Experts say the Guangzhou City, in accordance with the relevant experience of the past sampling survey, and then carry out traceable, if the final diagnosis, will enter Fight link, but the outbreak of the highly unlikely.
http://nf.nfdaily.cn/nfdsb/content/2012-06/04/content_47156627.htm
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