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Pay close attention to the standardization of epidemic prevention and control, build a dense monitoring network to ensure there are no dead ends
Wuhan implements comprehensive coverage of cold chain food testing
Disease control personnel sampled environmental samples from cold-stored meat products.
Changjiang newspaper reporter Jin Zhenqiang
From June 13, Wuhan City will carry out environmental monitoring of supermarkets and farmers markets comprehensively, especially the daily inspection of frozen refrigerated food, etc. How is the inspection done? How to achieve full coverage? On October 10, a reporter from the Changjiang Daily followed staff from the Jiang’an District Center for Disease Control and Prevention to a farmers market on Chenhuaimin Road to take samples.
■ Samples in and out of the refrigerator, leaving no gaps.
Lv Yanhua, head of the Comprehensive Health Section of the Jiang’an Center for Disease Control and Prevention, presented that as of June 13, the center began taking samples and analyzing environmental samples from supermarkets and farmers markets within its jurisdiction. “Every part that may be exposed to meat and marine products is included in the scope of the sampling, including the operating environment and weighing platform.” Staff adopt a weekly mobile rotation of sampling points to formulate a sampling plan for achieve full coverage of mobile sampling within the jurisdiction.
The reporter learned that the test samples are mainly divided into two categories: environmental monitoring samples and key types of food monitoring. Environmental monitoring includes multipoint smear samples, such as supermarket market environment, cutting boards, utensils, storage refrigerators or internal cold storage and wastewater surfaces; The types of food tracking mainly include imported aquatic products and frozen meat products from various sources.
At the site, disease control personnel who participated in Guo Peng’s sampling used sampling swabs to repeatedly smear knives, scales, meat surfaces, etc., and carefully placed the swabs into the tube. virus sampling. A total of 30 environmental samples were taken. Disease control officer Yao Guangze collects and records the corresponding sample number in time. After that, they put the samples in a special box for inspection. The temperature in the box is kept between 0 ℃ -8 ℃. After the sampling work is completed in the morning, the samples will be sent to an external testing agency in Hanhuang Road, Hankou. Testing, to ensure the timeliness of sampling and testing, to ensure that test results are obtained the same day and are truly “collected and clarified every day and shipped on time.”
■ Fresh chilled frozen food “returns to source” for the first time
Lv Yanhua told reporters that to truly move forward, prevent problems before they happen, prevent the epidemic from recovering, and effectively protect people’s health and safety, according to sampling lists provided by various industry authorities. , the scope of testing is from the initial supermarket to Farmers Market expands to places such as frozen meat, seafood transport vehicles and meat factories, and nucleic acid tests are performed on employees who are engaged in the sale, transportation and processing of fresh animal feed.
“After any refrigerated and frozen food enters the jurisdiction, the relevant information will be reported to the district CDC quickly and we will complete the sampling as soon as possible.” Lu Yanhua said that at present, the sampling and analysis coverage is expanding, and there are more test points. Increasingly, “source traceability” was completed as soon as possible for related frozen chilled foods. At present, multiple rounds of sampling have been conducted at key locations such as meat factories and cold storage in the jurisdiction, and inspections for professionals have been completed.
The reporter learned that once a sample tests positive, the district-level disease control department will immediately inform the district health authority and provincial and municipal disease control centers to review the samples in time. and, simultaneously, activate the emergency mechanism to deal with the incident. The products are sealed and controlled, the source and whereabouts are verified, epidemiological investigations are carried out on the doctors and the necessary controls and management are carried out, and the site is thoroughly disinfected.
■ Complete the test in 24 hours, the result is “full shade”
As of October 9, the Jiang’an District Center for Disease Control and Prevention had monitored a total of 7,899 samples, and the results were all negative, including 4,922 environmental samples, 2,158 food samples, and 819 employees, from of which 1,840 were samples of food and external packaging from the cold chain. .
The reporter learned from the Wuhan Centers for Disease Control and Prevention that since July, the city has begun special monitoring of cold chain foods, mainly monitoring frozen seafood, frozen meat and environmental samples in the freezer. . To ensure the accuracy of the test, the sample must be analyzed within 24 hours. As the scope of follow-up has expanded and the sample size has continued to increase, the department of disease control has mobilized more testing forces to participate. The CDC in each district sent part of their self-assessment books to a third-party testing agency, and several parts began work at the same time. Testing work continued to accelerate, ensuring the timeliness and accuracy of samples and tests.
According to the head of the Wuhan Centers for Disease Control and Prevention, in accordance with the changes in the epidemic situation, we will continue to carry out standardized and full coverage sampling and testing of large supermarkets, farmers markets and cold chains in the city, with the aim of carrying out a risk assessment and investigation based on the results of the monitoring and precisely targeting the epidemic. In prevention and control work, various measures are truly implemented to ensure the health and safety of people’s lives, eliminate the hidden risks of the rebound of the epidemic, consolidate the results of the prevention and control of the epidemic and help restore normal production and order of life. The narrow line of defense of a safe city has won the “double victory” of epidemic prevention and control and economic and social development.
Changjiang Daily reporter Liu Chenwei correspondent Liang Gaodao Yuan Hao Tianjun
