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Delta is coming with a vengeance How to take it for COVID-19 antigen testing


At present, the epidemic prevention and control situation is still grim. The outbreak in Nanjing and Zhengzhou has not been brought under control. Meanwhile, the epidemic in Nanjing has spread to many provinces and cities at the same time, triggering a new round of diffusion.  


After comparing the virus strains of the COVID-19 cases and those of imported cases in many provinces, it was found that this outbreak was mainly caused by the Novel Coronavirus Delta strain.  Delta strain is characterized by high viral load, rapid transmission, strong virulence and high risk of reinfection.  


The frequency of nucleic acid testing is not high, resulting in the delay of problem detection;  International and domestic flights are not completely quarantined, leading to cross infection;  The main problem is that the closed loop management is not in place, which leads to the cross infection of employees and their families.


Rapid antigen + nucleic acid may be the best solution for foreign prevention and control at present by "advancing the threshold, immediate screening, rapid detection and early detection"


Antigen detection sensitivity meets the requirements

Currently, the sensitivity of antigen detection is mainly suspected by the public, but now Delta is in power, with a high viral load, an average Ct value of 24, and no significant difference between asymptomatic and symptomatic Ct values, the sensitivity of antigen detection is fully met.   


COVID-19 rapid antigen test, which is simple to operate and can produce results in 15 minutes, can be used for early triage and rapid management of suspected people.  


The original test can work with nucleic acid to strengthen the "three lines of defense" in the transmission chain above:

"First line of defense" - faster blocking the risk of entry

The "second line of defense" - reducing the risk of exposure of workers

"Third line of defense" - reducing the risk of spread in public places

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