The reason for this is the following：

Will people who have been infected with COVID-19 be infected again and again?

Zhang Boli: Some infectious diseases, such as chickenpox, really get lasting or even lifelong immunity after one infection. The infection situation in COVID-19 is different. By observing the epidemic situation of Omicron at home and abroad, it can be concluded that due to the constant variation of COVID-19 and its strong immune escape ability, there are many subtypes of Omicron, so it is difficult for human bodies to establish a comprehensive immune barrier against different subtypes of Omicron. After being infected with COVID-19, a few people may be infected again, and more research is needed in this respect.

The situation of secondary infection varies from person to person, and should be considered according to the immunity of the infected person at that time and the strength of the virus. Generally speaking, the symptoms of secondary infection are not much different from those of primary infection. If you are infected with the same subtype of virus, the symptoms of the second infection will be lighter than the first infection. Therefore, even after the infection is cured, personal protective measures should be adhered to.

What will be the trend of epidemic infection next?

Zhang Boli: Judging from the current situation in China, the Omicron virus strain has spread in the society, and it is also in the high season of influenza and common cold in winter, and there will be another epidemic peak in the next 1~2 months.

Since the outbreak of New Crown Pneumonia, China has adhered to the combination of prevention and treatment, paying equal attention to both Chinese and Western medicine. The mortality rate in COVID-19 has remained at a low level. However, with the increasing base of infection, the number of severely infected people will also increase with a high probability. The relevant state departments have deployed medical units to strengthen the training of intensive care beds and medical personnel. Although the pathogenicity of COVID-19 is weakening, Omicron mutant still poses a great threat to the health of the elderly and people with serious basic diseases. How to protect these people at the peak of the epidemic is the key work of epidemic prevention and control.

You made several families sick for several days because of an official relative. I don't think this relative should be strung together. There must be some people who think it doesn't matter or go home to visit relatives. If they think Yang is Yang, the relatives of that string will string them. We can't block the family relationship because of this. In fact, many people, especially young people, hate visiting, which is forced by adults and is a form. There are rivers and lakes everywhere, and the world is everywhere. Some relatives are only formal relatives, and I don't think they should be worn. If you stay in the green hills, you will not worry about burning firewood. The whole family is healthy and safe. Don't go home this Spring Festival, wait and see. ...