In what is feared could be a harbinger of things to come later this winter, Chinese officials are reporting the findings of environmental testing of poultry stalls at live markets in the prefecture-level coastal city of Zhuhai, in Guangdong province which indicates a rising, and currently high level of H7N9 detection.
Unlike many of the other avian influenza viruses (H5N1, H5N3, H5N8, etc.), the H7N9 virus generally produces no symptoms in birds, and so it can spread silently throughout poultry populations, often only coming to light when an exposed human becomes infected.
According to the following statement from the Zhuhai.gov.cn website, the rate of H7N9 detection at live poultry stalls in the city has doubled in recent months – going from about 20% to 40%.
Buy and live bird markets where live poultry public employees to pay attention, City CDC in communication at the media briefing yesterday: the city's live poultry wholesale markets and farmers markets outside environment has H7N9 virus was detected in some markets virus contamination rate of 40%. Disease control experts have warned that the market managers to further implement the live animal markets, "1110" system, individuals should strengthen protection.
It is reported that since last winter, the CDC has been working on the external market environment, the city has conducted live animal sampling H7N9 virus, H7N9 virus were found to have been contaminated, the highest contamination rate of 40%, or 40 samples in 16 parts positive, the average pollution rate of 20%. CDC assistant director, director of prevention and control of epidemics Ruan Feng told reporters after entering the winter, poultry and market presence of H7N9 virus might infect people. At present, there have been people in Dongguan infection, given the sampling of the H7N9 virus contamination, Zhuhai risk of sporadic cases is relatively large, the government, market managers, employees and the public attach great importance to guard against.
CDC Emergency Office director told Ye Zhongwen, Guangdong Province has implemented a live animal markets last year "1110" system, market managers should continue to be implemented, and effectively cleaned and disinfected market 1 week a clean-up, January 1 closed for the night, but in the live poultry market. Live poultry stalls in the main wear masks, gloves, wearing boots, the public is best not to direct contact with live birds, not as fresh map, will buy live poultry house a few days before slaughter.
CDC Deputy Director Li Yurong, said bird flu is a highly disease mortality, infection route and very clear, from birds to humans, no one infected person, if management from the source, can control this disease appears. At present, Guangzhou, Shenzhen, Foshan, has been in the pilot "centralized slaughtering, cold chain distribution, fresh listing," Li Yurong called Zhuhai this approach should also be implemented as soon as possible, the only way to "cure." (Posted: 珠海特区报)
This story is getting a lot of coverage in the Chinese press, such as with this report from the Sing Tao Daily.
Zhuhai City CDC recently include external market environment for sampling the farmers market, live poultry wholesale market found, H7N9 virus detection rate increased from 20 percent in 2014 to around 40 percent in the first half. The center said, which means that the probability of human infection with H7N9 surge. In this regard, the Centre is recommended to promote centralized slaughtering, chilled sales and other measures as soon as possible, in order to check the source of the H7N9.
According to Zhuhai City CDC introduced since the 2013 H7N9 epidemic, Zhuhai has been in the conduct of monitoring environmental samples for the foreign market. In the recent period of time, H7N9 virus detection rate increased significantly, reaching an average of about 40%. "This ratio is quite high, the chance of human infection with H7N9 means greatly improved, especially in the live bird market practitioners."
"Nanfang Dushi Bao" reported on December 4, the center said relevant, good personal protection and Health is one thing, but more important is the prevention and control should be carried out from the source.