CCTV News (news broadcast): According to the National Health and Wellness Committee, in recent years, compared with1mid-to-late October 165438+, the epidemic area in COVID-19 has been significantly reduced, and the epidemic situation in most areas has been "dynamically cleared" in a short time.
The toxicity of novel coronavirus was weakened after mutation, but it is uncertain whether it will be enhanced or weakened after further mutation. It is still necessary to actively prevent and control the epidemic, and further observation and research are needed.