The ten key areas include office buildings, construction sites, public places, transportation, families, farmers Markets, large shopping malls, communities, schools and elderly care institutions and other crowded areas. In order to further ensure that the responsibilities are assigned to the people and the measures are in place, this killing action is based on the principle of “combining the strips, the bottom line, and the bottom line”. Implement the main responsibility of each enterprise and institution, strictly follow the technical requirements, conduct scientific disinfection, establish a daily disinfection management system, and standardize personnel protection.
In terms of sterilization requirements, the major sites are different. For the crowded and complex farmers’ market, a special disinfection team will be arranged to carry out effective disinfection work. For high-touch parts and facilities, including corridors, elevators, fitness equipment, door handles, handrails, etc., it is required to increase the frequency of preventive disinfection, 2 to 3 times a day. At the same time, preventive cleaning and disinfection of the central air-conditioning system is carried out on a regular basis.
District CDC It is also reminded that individuals and families should implement sanitation measures based on environmental cleaning and opening windows for ventilation, do a good job in hand hygiene, scientifically and moderately disinfect, and conscientiously do a “three-piece set” and “five needs”.
Disinfection FAQs
Q: How do individuals and families disinfect?
When there are no suspicious symptoms in the family, they should focus on daily cleaning and preventive measures when necessary Sexual disinfection. Residents are advised to use physical disinfection methods first, and routine use of chemical disinfection methods is not recommended.
In terms of disinfection methods, residents should open windows for ventilation at least twice a day , not less than 30 minutes each time. If the windows cannot be opened or the ventilation is poor, mechanical ventilation methods such as electric fans and exhaust fans can be used, and if necessary, a circulating air air sterilizer can be used for disinfection. These mechanical ventilation equipment also need to be disinfected regularly. It is recommended to clean and disinfect twice a week, and the filters and filters of split air conditioning equipment are cleaned and disinfected every two weeks.
The floors and walls of the home generally do not need to be disinfected, but when contaminated , it needs to be disinfected in time after removing the pollutants. Door handles, faucets, handrails, buttons, countertops and other surfaces that are frequently touched should be cleaned daily. If necessary, disinfectant wipes or rags can be used to wipe and disinfect. Clothing, bedding and other fabrics should be changed, washed and dried frequently, and clothing disinfectants can be used to disinfect if necessary. In addition, exposure to the sun for more than 4 hours can also play a role in disinfection, but the clothes need to be spread out and evenly irradiated.
Eating and drinking utensils that are frequently used at home are passed through “cleaner + running water” “Rinse the way to do the cleaning work, you can also boil and sterilize, or use a steam box or a sterilization cabinet to sterilize. In addition, residents must pay attention to hand hygiene. They should use “soap/hand sanitizer + running water” to wash their hands, and if necessary, they can use hand sanitizer to wipe and disinfect.
It needs to be reminded that after residents complete nucleic acid testing and sampling, When you go home, you should put your shoes at the door, take off your coat and hang it in a ventilated place, take off your mask and throw it in the trash, and immediately wash your hands with “soap/hand sanitizer + running water”. Mobile phones, keys and other carry-on items can be wiped and disinfected with 75% alcohol cotton balls or disinfectant wipes. If conditions permit, you can distinguish between “contaminated areas” and “clean areas” at home, and leave the clothes and shoes you return from going out in the “contaminated areas”.
Q: How to sterilize express parcels and fresh food?
It is recommended to use a contactless method to collect express packages, and try to avoid contact with volunteers , The delivery staff hand over in person, when receiving the goods, be sure to wear masks and gloves.
The outer packaging of the package can be wiped with disinfectant spray or disinfectant wipes Sterilize and leave for another 10 to 30 minutes. Cartons, packaging bags, etc. should be kept outside the door as much as possible, and should not be brought into the home. If there is no disinfectant at home, you can also place the items in a ventilated place on the balcony for a period of time, and the effect of ventilation and sunlight can also achieve a certain effect of reducing pollution.
In fresh food, vegetables that are not easy to dehydrate and deteriorate (such as potatoes , radishes, onions, etc.), can be placed in a ventilated place on the balcony for a period of time; vegetables that are easily dehydrated and deteriorated (green vegetables, garlic sprouts, bean sprouts, etc.) can be rinsed or soaked in slow water, and stored after draining. In addition, eggs generally do not need to be sterilized, they can be stored in a refrigerator or a cool place, and the shell of the eggs should be cleaned before cooking.
Q: How to use sanitizer?
As a commonly used disinfectant,84 It has a good disinfection effect and is generally used for disinfection of the environment and object surfaces (desktops, toilets, etc.), and is not recommended for disinfection of vegetables, fruits and other foods.
If residents want to use bleach as a disinfectant, they need to read the product carefully Instructions for use, such as product instructions that can be used for disinfection of the environment and object surfaces, can be used, but it is not recommended for the disinfection of vegetables, fruits and other foods.
Q: What else is there for preventive disinfection Precautions?
The premise of disinfection is to clean the environment, the disinfection operation should be free of dead ends, and the concentration of the disinfectant and the disinfection time should be guaranteed. The general surface disinfection time is 15-30 minutes; the air disinfection mainly adopts the method of opening windows for ventilation, and if necessary, 1%-3% hydrogen peroxide disinfectant is used for ultra-low volume spray disinfection, and the disinfection time is not less than 60 minutes. It is forbidden to use chemical disinfectants to disinfect the air in the presence of people, to prohibit the use of chemical disinfectants to disinfect the human body, and to prohibit large-scale disinfection of outdoor environments.
< span>Text: Zhang Li
EditedEdited by: Li Xiangxu Ping Shen Lina