The new crown virus EG.5 has formed a dominant epidemic How to deal with the epidemic in autumn and winter in advance?

Recently, some netizens said on social platforms that they were infected with the new crown virus again. At the same time, the proportion of the new coronavirus variant EG.5 in the global epidemic strain is growing rapidly. Is there any change in the pathogenicity of EG.5, and will it be widespread on a large scale? What is the current situation of fever clinics in various places? How to respond to the epidemic in autumn and winter in advance?

The proportion of EG.5 variants increased to 70%, and there was no significant change in pathogenicity 

According to the latest surveillance data in China, the proportion of EG.5 variant in the new coronavirus epidemic strain has shown an upward trend, increasing from 0.6% in April to the current 71.6%, which has formed a dominant epidemic in most provinces in China, and is likely to continue this trend for a period of time in the future. In this regard, the National Bureau of Disease Control and Prevention said that there is no obvious difference between the clinical classification of EG.5 infection and other XBB subbranch infections, and the recent national new crown epidemic is generally at a low level and wave epidemic, which brings less pressure to the local medical system.

The variant EG.5 is a subclade of the new coronavirus Omicron XBB.1.9.2. On August 9, local time, the World Health Organization announced that it would upgrade the new coronavirus variant EG.5 from a "surveillance" variant to a "watchout" variant, while pointing out that EG.5 currently poses a low risk to public health, and there is no evidence that it will cause more serious disease than other variants currently circulating.

Population immunity still has a protective effect, and there will be no large-scale epidemic in the short term

The National Bureau of Disease Control and Prevention said that China experienced the epidemic of Omicron XBB series variants from April to June this year, and the established population immunity still has an immunoprotective effect on the EG.5 variant that also belongs to the Omicron XBB subbranch, and there will be no large-scale epidemic in the short term.

The Omicron variant of special concern, such as EG.5 and BA.2.86, is of particular concern, showing the characteristics of "strong infectivity and weak pathogenicity". In the recent stage, China's new crown epidemic is still a multi-wave, mild disease, low-peak situation, and the impact on society is small.

Strengthen the preparation of medical resources and promote vaccination of key groups

Although the EG.5 variant will not have a large-scale epidemic in the short term, and the vast majority of patients are mild, it is still necessary to pay attention to the shortage of medical resources that may be brought about by the epidemic in autumn and winter, accelerate the research and development of vaccines against the variant, and continue to promote vaccination and daily protection of severely ill high-risk groups such as the elderly and patients with serious underlying diseases.

On July 25, the Comprehensive Group of the Joint Prevention and Control Mechanism of the State Council issued the "Recent New Coronavirus Vaccination Work Plan for Key Populations", which proposed to implement targeted new coronavirus vaccination for key groups such as the elderly. It is clear that during the epidemic of the new coronavirus XBB variant, the focus is on this autumn and winter, and the vaccination of vaccines containing the antigen components of the XBB variant is preferred.

At present, the drugs are effective against the variant EG.5 infection, there is no major change in treatment, and the work pressure of the hospital fever clinic has not increased significantly. But on the other hand, medical resources should be deployed in advance to strengthen the preparedness of medical resources, and the elderly population should be called upon to be vaccinated and diagnosed as soon as possible.

The National Bureau of Disease Control and Prevention reminds that as with the prevention of infection with other new coronavirus Omicron variants, the public should continue to maintain good personal hygiene habits, adhere to regular schedules, keep the living room tidy, often open windows for ventilation, exercise scientifically, ensure a healthy diet, and improve the body's immunity.

It is recommended that the public, especially the elderly and people at high risk of severe illness such as the elderly and patients with serious underlying diseases, do a good job of personal protection, and wear masks scientifically when taking public transportation or going to crowded indoor public places. 

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