Guangdong disease control: human faecal bird flu has no evidence

Yesterday, some media reported that researchers from institutions such as the University of Hong Kong and the Medical College of Zhejiang University found that the H7N9 bird flu that began in March in mainland China may be transmitted through human feces. Guangdong Provincial Disease Control Experts said there is no clear evidence, but influenza virus can indeed be excreted through the human feces.

Four patients will be "with poison"

According to media reports, researchers from institutions such as the University of Hong Kong and Zhejiang University School of Medicine found that out of the six H7N9 bird flu deaths in Zhejiang, four were carrying the H7N9 virus. Therefore, it is thought that the H7N9 bird flu that began in March in China may pass humans. Faeces spread.

The research report pointed out that this discovery is of great significance in the prevention and control strategy of H7N9 virus infection because the fecal flu virus can contaminate the surrounding environment. However, the research team also stated that the virus may spread through feces, which is the cause of so far little interpersonal infection. Yuan Guoyong, a microbiologist at the University of Hong Kong who participated in the study, said that in theory, the virus may also spread through the sewage pipeline.

The results were published in the "Clinical Infectious Diseases" journal published on Tuesday. The team studied 12 patients undergoing intensive care from April 10 to 23, half of whom had died.

More full evidence

He Jianfeng, chief expert of the Guangdong Provincial Center for Disease Control and Prevention, was attending the international H7N9 bird flu seminar in Beijing yesterday. He said that at the seminar, some experts raised the issue and discussed it. However, there is no clear evidence in the academic community that the bird flu virus can be proven. It can spread in humans through feces.

However, "In birds, it has long been clear that the bird flu virus can be excreted through the faeces, and it is also confirmed in patients that there will be a virus in the secretion." He pointed out that even ordinary seasonal flu There is also influenza virus in the excreta of patients, but the transmission efficiency is far lower than that of droplets.

He Jianfeng said that the spread of the virus is various, and faeces and other excretions are among them. However, as an influenza virus, the main route of transmission is through the upper respiratory tract, and the spread of the digestive tract is when the virus is detoxified. The number of viral loads after detoxification and other related, "The current study can only show that this phenomenon and circumstances, but the specific evidence to be more fully confirmed."

Children of H7N9 bird flu in Huizhou rule out infection

The Henghe farmers’ market in Boluo County, Huizhou City was reopened yesterday. Most of the market’s stall owners had returned to the market and the market operations were in order. The local people went to buy the required items. It is reported that on the same day, the trading volume of the three bird stalls in the market has decreased as compared with the past, and transactions at other stalls have been about the same as usual.

Most owners return to operate

"Bought a duck. Experts say that poultry can be eaten, boiled and cooked thoroughly." Mr. Zhou from Hunan said that he and his workers are not worried that poultry will be infected with bird flu. Tan bosses selling ducks and geese in the market told reporters that the trading volume of ducks and geese decreased compared with usual, but the transaction price was not affected, including ducks at 14 yuan/kg and geese at 27 yuan/kg. Ms. Liu, the owner of the chicken, said: “The trading volume today is not very satisfactory. The main reason is that many people still do not know that the farmers’ market will be re-opened today. The trading volume should go up in a few days.”

On the same day, other stalls such as vegetables, fish stalls, dry goods, and meat stalls were all resumed operations, and many people went to buy. Ms. Deng, the owner of a dry cargo stall, said: "Business is similar to usual, but it is not affected."

According to the relevant person in charge of Yokogawa Town, most of the stall owners in Yokogawa farmers’ market have returned to the market. Vegetables, fruits, fish, poultry, and other agricultural products are subject to zone management. Among them, there are seven stalls in Sanjiao, all of which are self-supported poultry for local farmers; relevant staff members have already conducted animal health supervision and management and market access according to procedures, and have done a good job in the account.

No new infections

According to the notice of the Huizhou City Government, on the afternoon of the 15th, an enlarged meeting of the leading group members of the H7N9 bird flu epidemic in Huizhou City was held to re-deploy the prevention and control work.

As of 5 pm on August 15th, no new infections of the H7N9 bird flu occurred in the city. After learning from the First Affiliated Hospital of Guangzhou Medical University, the function of the organs of the patient Chen was generally normal, and the overall condition was basically stable without deterioration. Her son was observed in hospital isolation, with normal indicators, excluding human infection with H7N9 bird flu, and she was discharged on the 15th. There were no abnormalities in 36 close contacts, and medical observations could be released on the 15th. The supply and demand of the poultry market is normal.

650 tests were all negative

On August 14th, Huizhou Municipality carried out development of Chenjiang, Lilin, Qiqiao, Wuhu (a total of 5 large-scale poultry farms) in Zhongyuan District and three bird markets (16 stalls) in Huicheng District and 1 household of free-range households at Shuikou. Poultry H7N9 bird flu monitoring, detection of 300 serum samples (180 chickens, 15 ducks, 105 gooses), and detection of H7 poultry throat and cloacal swabs 320 (200 of which were chickens, 15 ducks, 105 gooses), Thirty environmental swabs, totaling 650, were all negative.

In addition, the H7 subtype was not detected in 20 samples of environmental pollutants collected by the Huizhou City CDC on August 13 in the Shuibei and Samsung farmers markets in Huicheng District.