Meide British meat joint factory has been occupied frequently. Can we solve the mystery of new crown this time?

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 Meide British meat joint factory has been occupied frequently. Can we solve the mystery of new crown this time?


Another noteworthy news: one week after the case occurred in Beijing, there was a separate new local case in Tianjin. The patient had no travel history in Beijing, and had been engaged in dishwashing since May 30, occasionally cleaning frozen seafood ingredients.

Almost at the same time, overseas seafood industry and meat processing plants also exposed a number of cases of collective infection of new coronavirus.

Recently, a large number of workers in many seafood factories in the United States have been infected with the new coronavirus: three seafood workers in Bristol Bay, Alaska, have been tested positive for the new coronavirus; a seafood company in Oregon has also been infected, and more than 120 employees have been tested positive for the virus.

In South Korea, novel coronavirus pneumonia has been diagnosed in many of the Department of Marine Fisheries in shonchung, and the route of infection is not yet clear.

In addition, in the near future, there are also joint meat factories.

In the United States, Germany, the United Kingdom and other places, meat processing enterprises have been repeatedly infected, and the number of people infected in a joint factory in Germany has risen to more than 700.

In addition, when French doctors retested the nucleic acid samples of last years patients, they found that a new coronavirus test was positive in a sample of patients without Chinese travel history. The patient was thought to be patient zero in France, and his identity was a fishmonger.

At present, it is generally believed that fish are almost impossible to become intermediate hosts of new coronavirus in nature. What is the cause of the epidemic and seafood, meat has a inextricable link?

According to some previous epidemiologists, there are two possibilities: the contaminated seafood or meat food is transported to the market through the cold chain, or the infected people from the epidemic area cause the spread.

And the survey data also shows that the people infected in the new market are relatively concentrated in the aquatic products counter of beef and mutton hall.

Seafood market or just virus distribution center

The analysis of the environment of these outbreaks is almost inseparable from the same link - cold chain transportation.

Low temperature is exactly the environment that new coronavirus likes.

According to the guidelines for public prevention of pneumonia caused by new coronavirus issued by China Center for Disease Control and prevention, human coronavirus is more sensitive to heat, and its resistance will decrease with the increase of temperature. In the appropriate maintenance solution at 4 u2103, human coronavirus can maintain moderate stability, and in the environment of - 60 u2103, the storage time can reach several years.

In China, - 18 u2103 is the national standard recommended for frozen logistics, and also the recommended storage temperature for frozen food and frozen drinks. Some experts believe that the virus is not afraid of cold, which explains why the virus has been found several times in the seafood market with more refrigerated food.

The gene sequence of the new coronavirus in Beijing has been uploaded and shared, which shows that it is closely related to the new coronavirus strain in Europe, who officials said Tuesday. At present, there are different virus strains spreading, which does not mean that the disease is from Europe, but it is likely that the virus was imported from outside Beijing.

On the other hand, the epidemic in the farmers market and meat processing factory has a close relationship with its own working environment.

She stressed that the outbreak started from the food market, suggesting that the biggest risk is the food industry practitioners in the food processing sector. Capture, storage and transportation, trade, slaughter, dissection, cooking and other links before the entrance are the risks.

Wu Guizhen, chief biosafety expert of China CDC and Secretary of the Party committee of the Institute of Virology, once analyzed that the outbreak rebounded in Beijing and was also concentrated in the wholesale market, but unlike the South China seafood market in Wuhan, the possibility of wild animals causing the outbreak in Beijing is very small.

This gives us a very important hint: is it possible that the source of transmission is an infected person or contaminated food, and the environment of the seafood market has created opportunities for rapid transmission.

In this way, places like seafood market may only be a huge transfer hub for viruses.

The path of virus transmission is a rigorous and complex scientific process, which cannot be concluded. However, the new development has been reminding people that even though the path of the virus is still uncertain, the prevention and control network must be equipped with all-around strategies.

After the outbreak of the new market in Beijing, the agricultural products market has almost overnight become a new target for epidemic prevention and control all over the country. Large scale investigation has been carried out rapidly, nucleic acid testing has been carried out for market practitioners, and sampling and screening has been carried out for the market environment.

At the same time, the foreign defense input should not only keep people but also goods.

In response to the recent clustering infection in Beijing, the General Administration of Customs has deployed the national customs to carry out new coronavirus risk monitoring on fresh and cold chain products from countries or regions with high risk of epidemic, such as aquatic products, meat, frozen vegetables, aquatic animals, short-term or low-temperature transport industrial products and other imported commodities. In addition, since June 17, Chinese customs has suspended the export of products from a German pork slaughtering and its segmentation and refrigeration enterprises to China. For individuals, although there is no evidence of infection through eating food (including seafood products), the CDC has suggested that in order to reduce the possible risk, people should not touch raw fish and meat when buying food. The concealment and tenacity of the new coronavirus are beyond peoples cognition. For human beings, to know new crown may be doomed to be a journey against the wind. (end) (original title: the meat joint factory was infected with epidemic disease, and the frozen food materials were poisoned Can we solve the mystery of the new crown this time Source: surging news editor: Zhong Qiming_ NF5619

In response to the recent clustering infection in Beijing, the General Administration of Customs has deployed the national customs to carry out new coronavirus risk monitoring on fresh and cold chain products from countries or regions with high risk of epidemic, such as aquatic products, meat, frozen vegetables, aquatic animals, short-term or low-temperature transport industrial products and other imported commodities.

In addition, since June 17, Chinese customs has suspended the export of products from a German pork slaughtering and its segmentation and refrigeration enterprises to China.