Is the Delta strain still circulating in the country? Expert Answers

Recently, there have been rumors on the Internet that both the delta variant and the amicron variant are prevalent in some parts of my country. In this regard, Xu Wenbo, director of the Institute of Viral Diseases of the Chinese Center for Disease Control and Prevention, said that according to real-time dynamic monitoring, no Delta variants have been found to be circulating in China, nor have Delta variants and Omicron variants recombined. From the beginning of December to the present, nine popular sub-clades of the new coronavirus have been monitored in China, all of which belong to the Amicron mutant strain. | Related reading (Xinhua News Agency)

Qian Xinyue

In the past few years, experts have been popularizing the knowledge that the original strain and Delta have weak transmissibility and strong pathogenicity, while Omicron is the opposite. The general law of viral transmission is that the virulence becomes weaker and weaker. But if the “Delta” strain counterattacks now, the situation will be complicated.

Yesterday, the National Health and Medical Commission changed the name of “new crown virus pneumonia” to “new crown virus infection”, which can be said to have basically brought an end to the epidemic. However, in the past few days, some infected people still have severe pneumonia of “big white lung” on Weibo, which tells us that even if it is Omicron infection, we should not take it lightly, and there is still a certain chance of causing pneumonia.

Therefore, we should not take it lightly. After all, the scientific community has no definite conclusions about the future evolution of the new coronavirus. If it can stay at the level of Omicron, it may be a great fortune for mankind, but who knows.

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