1, scope and object determination:
According to the results of epidemiological investigation, determine the scope, object and time limit of on-site disinfection. Places where cases (suspected cases and confirmed cases) and infected persons (mild cases and asymptomatic infected persons) have lived, such as isolation wards and transportation in families and medical institutions, should be disinfected at any time.
2. Method selection:
Medical institutions should try to choose disposable medical supplies, non-disposable medical supplies should be sterilized by pressure steam first, and heat-labile items can be disinfected or sterilized by chemical disinfectants or low-temperature sterilization equipment. The surface of environmental objects can be wiped, sprayed or soaked with disinfectants such as chlorine-containing disinfectants and chlorine dioxide.
It is suggested to choose effective hand and skin disinfectants, such as iodophor, chlorine-containing disinfectant, hydrogen peroxide disinfectant, or quick-drying hand disinfectant for wiping disinfection. Indoor air disinfection can be carried out by spraying disinfectants such as peracetic acid, chlorine dioxide and hydrogen peroxide.
Types of disinfection measures:
1, disinfect at any time:
Disinfection at any time refers to timely disinfection of articles and places contaminated by cases (suspected cases and confirmed cases) and infected persons (mild cases and asymptomatic infected persons). Places where patients have lived, such as families, isolation wards of medical institutions, medical observation places, transportation, etc.
The pollutants discharged by patients and their contaminated articles should be disinfected at any time. See terminal disinfection for disinfection methods. Spray disinfection is not recommended in the presence of people. Ventilation (including natural ventilation and mechanical ventilation) can be taken in places where patients are isolated to maintain indoor air circulation. Ventilation 2 ~ 3 times a day, each time not less than 30min.
2, terminal disinfection:
Terminal disinfection refers to the thorough disinfection after the source of infection leaves the relevant places, and it should be ensured that there are no pathogens in the places and articles after terminal disinfection. The final disinfection targets include the pollutants discharged by cases and infected persons, as well as items and places that may be contaminated, and there is no need to disinfect the outdoor environment (including air) on a large scale.