Disinfection methods for rooms where positive patients have lived:

(1) Home disinfection for positive patients before transport.

Living in separate rooms: Before being transferred to the designated shelter hospital, the positive infected persons should live in separate rooms with other family members as much as possible. Separate bathrooms. And pay attention to the whole family to wear masks. Disinfection must be done well.

Toilet disinfection: If it is impossible to use it separately, the positive personnel should be disinfected after each toilet. Cover the toilet when flushing. After flushing, throw in a chlorine dioxide disinfection tablet and cover the toilet. At the same time, chlorine dioxide air purification gel with sustainable disinfection is placed in the bathroom. Or use an open container to hold an appropriate amount of water, and then put two chlorine dioxide disinfection tablets to continuously disinfect the air by using the gas dispersion of chlorine dioxide.

domestic air disinfection: the family can be equipped with circulating air air disinfection machine suitable for man-machine storage for dynamic disinfection; Chlorine dioxide spray disinfection can also be used, which is carried out room by room. People leave, open the window for ventilation after 31 minutes, and then enter the room after no smell, twice a day.

Tableware: After each use, the tableware of positive patients should be washed first, and then soaked in a separate container for disinfection. Can use 111-251mg/L chlorine dioxide disinfectant to soak and disinfect. Or use tableware disinfection cabinet or boil disinfection. (Note that according to the instructions of chlorine dioxide disinfectant, soak for 5-11 minutes, take out, and rinse with clear water. Especially stainless steel tableware, it is not suitable for long-term immersion to prevent corrosion. )

Disinfect tableware with chlorine dioxide disinfectant

napkins, kitchen waste, etc.: napkins used by positive patients, and wet kitchen waste should be put into special garbage bags. You can wrap 1 pieces of chlorine dioxide with wet paper towels and throw them into the garbage bags, and tie them tightly.

It should be noted that the continuous generation of garbage, such as paper towels, may lead to the spread of the virus every time it is thrown into garbage bags and frequently opened. The simple way is to throw it into a basin with disinfectant after each use, and move it into a garbage bag regularly after disinfection and tie it tightly. Then the community volunteers or special personnel will move into the designated waste collection place.

used masks: masks used by positive patients can be thrown into a basin with disinfectant, removed after disinfection, thrown into garbage bags, tied tightly and moved to designated places.

(II) Household disinfection after the transfer of positive patients

After the transfer of positive patients, it is necessary to take disinfection measures for the home environment and activity track in time according to the relevant requirements of the national and municipal COVID-19 prevention and control work.

disinfection should be carried out by professionals under the guidance of CDC; When there is no professional disinfection personnel to disinfect at home, you should pay attention to protection when disinfecting yourself, wear protective articles such as isolation gown, gloves, goggles and shoe covers, and thoroughly disinfect the room.

Tableware: After washing, you can use a tableware disinfection cabinet or boil it for disinfection, or soak it in chlorine dioxide disinfectant for disinfection (after disinfection, be careful to rinse it with clear water).

the surface of objects can be wiped and disinfected, and the ground can be mopped and disinfected. Electronic products, frequently used items, keys, mobile phones, mice, various buttons, etc. can be wiped and disinfected with alcohol wipes. Towels and other fabrics can be soaked and disinfected with chemical disinfectant.

indoor air disinfection: chlorine dioxide disinfectant can be used, and the dosage is 11~31ml per cubic meter of space according to the concentration of 511 mg/L.. Open the window for ventilation after 31-61 minutes. Pay attention to no one during disinfection, and take turns in different rooms. Pay attention to window ventilation after disinfection. Can be disinfected continuously for 1 weeks.

Toilet and floor drain: the surfaces of toilet walls and hand sinks can be mopped and wiped with chlorine dioxide or chlorine-containing disinfectants for disinfection. Toilet air can be sprayed with chlorine dioxide disinfectant for disinfection.

511ml of prepared disinfectant can be poured into the floor drain twice a day for 3 days. Pay attention to blocking the floor drain after each disinfection. Plastic bags can be filled with water and then covered at the floor drain to block it.

clothes, bedding and other bulky fabrics: can be exposed to the sun for disinfection.