Principles of 1. preventive disinfection treatmentAccording to the disaster situation and the normal prevention and control requirements of the local new crown epidemic, the (I) carried out targeted and timely cleaning and preventive disinfection work to eliminate the adverse effects of floods on human health.(II) post-disaster disinfection work should be under the guidance of CDC disinfection professionals by the relevant units and personnel for preventive disinfection treatment.(III) staff should understand the use of various disinfectants and precautions, as far as possible to choose a reliable disinfection effect, simple, safe for humans and animals, environmentally friendly disinfection methods, the correct implementation of disinfection measures. Personnel engaged in on-site cleaning and disinfection shall pay attention to personal protection and prevent irrelevant personnel from entering the disinfection area during on-site disinfection.(IV) drinking water, public activity areas after the flood, and centralized resettlement sites are the focus of disinfection.The (V) shall promptly clean up the animal carcasses, silt, garbage and feces, and do a good job of harmless treatment.
(VI) strengthen the monitoring of symptoms such as diarrhea and fever, and if new crowns or other infectious diseases are found, timely disinfection of the epidemic should be done in accordance with the relevant standard guidelines.
Disinfection methods for various disinfection objects in 2.1. Subway stations, shopping malls, etc.The flooded subway stations, shopping malls and other indoor public activity areas should be thoroughly sanitized in time, so as to clean up and disinfect first. Indoor surfaces, walls and floors can be sprayed and wiped with available chlorine 500mg/L chlorine-containing disinfectant for 30min. In the absence of epidemic situation, it is not necessary to carry out disinfectant spray disinfection on indoor air, and indoor air circulation should be maintained, mainly natural ventilation, and mechanical ventilation can be used in places with poor ventilation.2. Street, community, etc.Thoroughly clean up the flooded streets, communities and other outdoor public activity areas to improve environmental sanitation. After the cleaning is completed, then carry out disinfection treatment. Walls and floors can be sprayed, wiped and disinfected with available chlorine 500mg/L chlorine-containing disinfectant for 30min.The undamaged waterworks shall be implemented in accordance with GB 5749, and the monitoring of source water and peripheral water shall be strengthened. During the flood disaster, the water plant should use or increase the use of coagulant and disinfectant in time according to the change of source water quality to ensure that the water quality meets the requirements of GB 5749.During floods, drinking bottled water is preferred. If bottled water is not available, all drinking water should be boiled.After decontamination of vehicles such as subways and buses, the surfaces of objects inside the vehicles (such as the inner wall of the vehicle body, the steering wheel of the driver, the armrests in the vehicle, tables and chairs, etc.) shall be sprayed or wiped with chlorine-containing disinfectant with available chlorine of 500mg/L or quaternary ammonium salt disinfectant of 1000mg/L for 30min, and then wiped clean with clean water after disinfection.Seat covers and other fabrics can be treated as general household garbage; if they need to be retained, they should be cleaned and disinfected in time. The fabric can be disinfected by circulating steam or boiling for 30min, or soaked with chlorine-containing disinfectant with available chlorine 500mg/L for 30min, and then cleaned conventionally.After cleaning furniture, sanitary ware and office supplies, rinse, wipe or soak with chlorine-containing disinfectant with available chlorine of 500 mg/L for 30min, or use 200mg/L chlorine dioxide, 1000mg/L peracetic acid and 1000mg/L quaternary ammonium salt disinfectant for disinfection for 15min ~ 30min. Wipe clean with water after disinfection.(V) Meal (Drink) UtensilsMeal (drink) is preferred after cleaning boiling disinfection, boiling time should be more than 15min. Disinfectant can also be used for soaking disinfection, such as with available chlorine 250mg/L ~ 500mg/L chlorine disinfectant soak for 30min, disinfectant should be washed with clean water after soaking.Should be treated in a timely manner by the flood soaked or spoiled food, do not eat any food soaked by the flood. Can be cooked food should be fully heated after consumption.Hand disinfection shall be carried out after participating in post-disaster environmental decontamination and disinfection and animal carcass treatment, and effective hand disinfectant can be used to rub both hands.As a result of long time flooding caused by skin swelling, damage should be timely medical treatment, can also be used iodophor or other skin disinfectant daub disinfection.For general household garbage without disinfection treatment, should do a good job of health management, Nissan Nissin. Garbage containing corrupt articles is sprayed with disinfectant containing available chlorine 5000mg/L ~ 10000 mg/L, and collected after 60min of action and treated innocuously.Fresh animal carcasses cleared in environmental cleaning should be buried or cremated as soon as possible. For animal carcasses that have been smelly, available chlorine 5000mg/L ~ 10000mg/L chlorine-containing disinfectant can be used to spray the carcasses and the surrounding environment to remove the odor and disinfect, and then buried or cremated. After the corpse is cleaned, the place needs to be disinfected. 1000mg/L ~ 2000mg/L available chlorine disinfectant can be sprayed for 30min ~ 60min.
