On August 31, in the normalized nucleic acid detection, an abnormal situation occurred in a risk industry worker in Huaxi District, Guiyang City. On September 3rd, the provincial and municipal linkage headquarters of Guiyang epidemic prevention and control site disposal issued a notice to carry out regional full-scale nucleic acid screening for some jurisdictions in Guiyang.
What is the purpose of full-time nucleic acid screening? What are the characteristics of the spreading strains of this epidemic? What should citizens pay attention to in the process of nucleic acid detection? On September 3rd, the reporter interviewed Zhang Xiangyan, the leader of the expert group on pneumonia medical treatment in Covid-19, Guizhou Province, and the temporary party secretary of Jiangjunshan Hospital.
Zhang Xiangyan said that after the outbreak, according to the deployment requirements of the joint prevention and control mechanism in the State Council, Guizhou took the disposal of the epidemic as an important political task at present, resolutely implemented the general strategy of "importing external defense and rebounding internal defense" and the general policy of "dynamically clearing", and took the most resolute, decisive and rapid measures to resolutely cut off the spread of the epidemic and protect people’s life safety and health to the maximum extent. "Conducting multiple rounds of nucleic acid testing in key areas, key units and key populations to ensure that all inspections should be completed is a key link to quickly put out the epidemic."
"At present, Guiyang is vigorously promoting the due inspection, in order to realize ‘ Dynamic reset ’ Lay a solid foundation. " Zhang Xiangyan said that this epidemic in Guiyang City is a mutant strain of Omicron BA.2.76, which has obvious changes compared with the original strain and the strain Delta, the most prominent of which is the stronger transmission power. "Regarding the transmission power of the virus, the basic infection number R0 is often used in epidemiology. In 2020, the R0 value of the original strain in Covid-19 is estimated to be about 2.5, and the R0 value of the Delta strain is about 5 to 6. According to the current prediction of the global academic community, the transmission power of Omicron is 3 to 4 times that of the Delta strain. "
High communication power has brought unprecedented challenges, "We should check everything, ‘ Dynamic reset ’ At present, it is the most practical model in China, which respects science and embodies laws. Practice has proved that it is absolutely necessary and effective. " As the leader of the treatment expert group in COVID-19, Guizhou Province, Zhang Xiangyan speaks eloquently. In the front line of the anti-epidemic battle, medical staff always adhere to "dynamic zero clearing" and strive to practice "people first, life first".
Zhang Xiangyan also reminded the citizens who are conducting nucleic acid testing that there are "five don ‘ts" and "one need" that should be kept in mind when doing nucleic acid testing.
"One Don’t": Don’t go forward immediately after the front subject is finished. In case the front subject is positive, he will take off his mask and breathe out "Ah" in one breath. There is a virus in the breath.
"Two Don’t": Don’t take off the mask and open your mouth to wait for sampling immediately. On the basis of keeping a safe distance, wait for the doctor to disinfect his hands and take out a new cotton swab, and quickly take off the mask and open his mouth to sample. Hold your breath when sampling and wear the mask immediately after sampling.
"Three Don ‘ts": Don’t directly touch the items on the operating table of medical staff.
"Four Don ‘ts": Don’t leave keys, mobile phones and ID cards on the table.
"Five Don’t": After sampling, don’t spit in the trash can next to you immediately, which is more dangerous. This is one of the ways of virus infection. The medical staff’s sampling cotton swab is sterile, and it is normal to produce saliva after the test, so it is no problem to swallow it directly.
"One need": After sampling, you need to go home immediately and wash your hands carefully with soap or hand sanitizer.
Zhang Xiangyan said that the Provincial General Mountain Hospital strictly implements the system of "daily dispatch and daily consultation", gives symptomatic treatment to confirmed cases and asymptomatic infected people, and formulates personalized rehabilitation plans.
For the general public, she reminded that to believe in the power of science and professionalism, there is no need to be overly nervous. Wearing a mask, keeping a distance, washing hands frequently, ventilation and not gathering are still the most effective means of protection.