In response to the more invisible Omicron variant strain, from April 8 to 9, the whole staff of 11 districts in Guangzhou have started nucleic acid detection, striving to find the infected person as soon as possible and try their best to block the transmission chain. But in fact, many people do not know that when participating in large-scale nucleic acid testing, because they do not know whether there are infected people in the population, if they do not pay attention to personal protection, they are very prone to cross infection. The main transmission modes of Omicron variant virus are respiratory droplet transmission, contact transmission and aerosol transmission. When testing nucleic acid, once an infected person opens his mouth and exhales, there will be a large number of viruses in the surrounding air. If the next tester doesn't pay attention to holding his breath when sampling, it is easy to inhale the virus and eventually lead to infection. "Exhaling during nucleic acid, especially deep breathing and coughing, is a risk of transmission." Cai Weiping, chief expert of the infection department of the eighth Municipal Hospital Affiliated to Guangzhou Medical University, suggested that when queuing for nucleic acid, we should not talk too much, especially not speak loudly. When sitting down and sampling, try to hold our breath and do not take deep breaths. Guangzhou Municipal Health Commission reminded that because there may be droplets on the operation console at the nucleic acid testing site, it is recommended that citizens do not touch them at will, and do not put personal items such as mobile phones on the table. When they are accidentally touched, they should immediately disinfect them with alcohol or disinfectant. Protection Tips: how to do personal protection in nucleic acid detection? Active cooperation Follow the instructions and tips of the staff, prepare the sampling code in advance and wait patiently in line. Inoculation of COVID-19 vaccine within 48 hours can not be carried out nucleic acid detection, and to avoid vomiting when sampling, etc., try not to eat 2 hours before sampling. In order to avoid affecting the test results, do not smoke, drink or chew gum 30 minutes before sampling. Wear a mask Disposable medical masks or medical surgical masks should be worn throughout the process. Children need to wear special masks suitable for children. The masks should fully fit the face and cover the mouth and nose. One meter apart When queuing for nucleic acid detection, the front, back, left and right queuing personnel shall keep a distance of one meter, and try to talk less and make fewer calls throughout the whole process, especially not speak loudly. Cooperative sampling In the process of nucleic acid sampling, when the person in front has just finished collecting, the person to be sampled in the back should not be in a hurry to sit down, let alone take off the mask immediately. Keep a safe distance. After the doctor completes the previous sampling, disinfects his hands and takes out a new cotton swab, he can quickly come forward and sit down. The correct cooperation with the sampling action can reduce the discomfort, and try to relax and keep his head back for convenient and smooth sampling. Civilized etiquette Coughing and sneezing will produce droplets with bacteria or viruses. During the collection process, there may be discomfort in the throat or nose. Remember not to cough and sneeze at medical staff or others. Cover your mouth and nose with paper towels, handkerchiefs or elbow clothes. Leave as soon as possible After the sampling, wear a mask immediately, leave the sampling point as soon as possible, and do not stay too long to ask the sampling personnel about the results. Nucleic acid test results can usually be queried within 24 hours. Sometimes they will be delayed due to too many tests and measurements. Please wait patiently. (Xinhua News Agency)
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