Recently, the new crown epidemic has rebounded in many countries. Among them, Indonesia, Brazil, Russia, India, and South Africa are the five countries with the largest number of new deaths, and the United States has become the country with the largest number of new confirmed cases.
In China, according to a report from the National Health Commission, the current round of the epidemic has affected 17 provinces, with 144 medium- and high-risk areas across the country, the most since normalized prevention and control. Zhang Wenhong, head of the Shanghai New Coronary Pneumonia Clinical Treatment Expert Team, pointed out that the Nanjing epidemic follows the rule of “dot-line-diffusion”. At present, if Lukou Airport is regarded as an outbreak point, it will follow the aviation route to various provinces and cities. The spread, which indicates that the epidemic is still under control. "The Nanjing epidemic prompted the nation to undergo stress testing, providing more thinking for future epidemic prevention and control."
Many public health experts believe that the rebound in this round of the epidemic is mainly due to the delta mutant strain "ravaging" the world.
However, in the face of the menacing Delta virus, public health experts at home and abroad pointed out that many current new crown vaccines are still effective and can reduce the risk of severe illness and death.
The Delta virus has a large amount of virus and a very fast replication speed, and the S protein (Spike Protein) has changed.
Strengthen prevention and control, try not to go to crowded places, if you need nucleic acid testing, you can do self-test at home.
Although the epidemic has rebounded, many countries have eased their economic blockades, including the United Kingdom. In this regard, experts said that the new crown virus will accompany humans for a period of time and will not end immediately, so prevention and control policies need to be adjusted flexibly.