In order to guide and standardize the disinfection of public places in COVID-19 during the epidemic prevention and control in our city, according to the former Technical Specification for Disinfection of the Ministry of Health, the State Council's Joint Prevention and Control Mechanism for Pneumonia Infection in novel coronavirus, Notice on Printing and Distributing COVID-19 Hygiene Protection Guide in Public Places, Notice of the General Office of the National Health and Wellness Committee on Printing and Distributing novel coronavirus Prevention and Control Plan, and Hygiene Management Specification in Public Places, etc. Combined with the requirements of epidemic prevention and control in our city.

First, the disinfection principle

During the epidemic prevention and control in COVID-19, the environment and articles in public places should be mainly clean, supplemented by disinfection, to avoid over-disinfection, and clean and disinfect at any time when pollution occurs.

According to different disinfection objects and disinfection places, choose appropriate physical or chemical disinfection methods, and it is recommended to choose chlorine-containing and peroxide-containing disinfectants for chemical disinfection.

When there are suspected or confirmed cases, terminal disinfection should be carried out according to the results of epidemiological investigation and the General Rules for Disinfection of Epidemic Spots, which should be organized and implemented by the local health department.

Second, the scope and frequency of disinfection

Disinfection scope: public places. Including: medical and health institutions, cultural and entertainment places, bathing service units, hotels, homestays, guest houses, restaurants, bars, teahouses, public transportation and environment, shops and shopping places, community activity places, schools, libraries and bookstores, public secondary water supply water tanks and water storage containers, swimming pools, banks and money and other public places and articles.

Disinfection frequency: Disinfect twice a day during the epidemic prevention and control in COVID-19; The disinfection frequency should be appropriately increased for the surface of high-frequency contact objects to ensure the disinfection effect.

Third, disinfection methods

Air disinfection: the place should be ventilated to keep indoor air circulation. Natural ventilation is preferred, try to open doors and windows for ventilation, and mechanical ventilation can also be used. Try not to use air conditioning. In the environment without window opening conditions or poor ventilation, open the air conditioning fresh air system for forced ventilation to increase ventilation; Conditional units can install air disinfection facilities such as ultraviolet lamps in the return air system of central air conditioning.

Object surface: Disinfection of the surface of high-frequency contact objects: handrails, elevator buttons, door handles, tables and chairs, ticket windows, self-service ticket machines, wash basins, faucets, carts, bicycles, elevators, escalators, shopping baskets, toilets, etc. Spray or wipe with 250~500mg/L effective chlorine disinfectant for more than 30 minutes, or clean and disinfect the surface of the object regularly every day, and make a record of cleaning and disinfection.

Disinfection of tableware: after removing residues and cleaning tableware, boil or circulate steam for disinfection 15 minutes; Or use thermal disinfection cabinets and other disinfection methods; Or use a solution with available chlorine content of 250~500mg/L, soak for 30min, and rinse off the residual disinfectant after disinfection.

Disinfection of textiles such as clothes, bedding and seat covers. Keep the textiles clean, and clean and disinfect them regularly. It can be disinfected by circulating steam or boiling for 30 minutes, or soaked in 500mg/L chlorine-containing disinfectant for 30 minutes, and then cleaned routinely.

Hotel dining room supplies: bedding and towels can be boiled for disinfection or sent to a cleaning and disinfection company for disinfection. Can use 250~500mg/L effective chlorine disinfectant to soak items for 30 minutes. Now use chlorine-containing disinfectant, take it out in time after disinfection and rinse it with clean water.

Wash basin, bathtub and cushion can be wiped with 250~500mg/L effective chlorine disinfectant, and then washed with clean water after 30 minutes.

Slippers can be soaked in 250~500mg/L effective chlorine disinfectant for about 20 minutes, and then washed with clear water.

Means of transportation: try to open the window for ventilation, and carry out preventive disinfection on the parts that are in frequent contact. You can use 250~500mg/L effective chlorine disinfectant to wipe and disinfect for more than 30 minutes, and then wipe with clean water after disinfection. Disinfect once before each shift.

Vomiting treatment: When people vomit, they should immediately cover and disinfect the vomit with disposable absorbent materials and sufficient disinfectant or effectively disinfected dry towels. After removing the vomit, disinfect the surface of the object with 1000mg/L chlorine-containing disinfectant.

Fourth, the preparation of commonly used disinfectants

The preparation method of chlorine-containing disinfectant with effective chlorine concentration of 500mg/L: 84 disinfectant, diluted according to the ratio of disinfectant: water 1: 100; Disinfecting powder, 1 package of disinfecting powder plus 4.8 liters of water; Youlujing, 1 set meal plus 1 1 liter of water; Chlorine-containing effervescent tablets, 1 tablet dissolved in 1 liter of water.

75% ethanol disinfectant: used directly.

Other disinfectants are prepared and used according to the product label concentration to kill intestinal pathogens.

Verb (abbreviation of verb) matters needing attention

Staff should have personal protection awareness, strengthen hand cleaning and disinfection, wash their hands with running water, and disinfect their hands with quick hand disinfectant when necessary.

Disinfection workers take first-class protection and choose disposable surgical masks, work clothes and disposable rubber gloves.

Disinfectants have certain toxicity and irritation. Personal protection should be paid attention to when preparing and using. At the same time, the disinfectant is corrosive. Wipe with clean water after disinfection to prevent damage to items.

The disinfectants used should be products produced by regular enterprises that meet the relevant regulations of China and should be used within the validity period. Choose disinfectants and sterilizers with reliable disinfection effect, safety to users and people, little environmental pollution and little damage to sterilized articles, and approved by the state.