In these three years, many joys and sorrows have occurred in the world, and in the world of the new coronavirus, the ups and downs of "life" are far beyond ordinary people's imagination.

It has been three years since the outbreak of the new crown epidemic in December 2019.

In these three years, many joys and sorrows have occurred in the world, and in the world of the new coronavirus, the ups and downs of "life" are far beyond ordinary people's imagination.

The new coronavirus not only has not disappeared, but is also constantly mutating: Alpha, Delta, Omickron .... Many mutated strains have been discovered one after another.

Through strict control, our country has been able to become the safest place in the context of the global outbreak. However, the potential threat of the new coronavirus has never really stayed away from us. The struggle between human beings and the new crown epidemic still has a long way to go. This is a protracted war without seeing the smoke of gunpowder.

has been there for three years. Has new crown become flu?

Omickron's symptoms have also changed from the initial COVID-19 to a more similar symptom to a "flu". Many people call Omickron "large flu". But is Omickron really a "large flu"?

In reality, there are still big differences between new coronary pneumonia and influenza. These differences include:

. The transmission speed of new coronary pneumonia is many times faster than influenza

Usually, we use the RO value ( basic infection number ) as the reference standard for measuring the speed of virus transmission. The RO value is 3, that is, a person infected with the virus can infect 3 people. The RO value of influenza is about 1.3, the RO value of the original strain of the new coronavirus is 2.5-3, and the RO value of the mutant strain Omickron BA.2 is 9.5.

The rapidly spreading new coronavirus will cause a large number of people to be infected, and will seriously impact the stability of the medical and health system and society. These are not something our country can bear at present.

, transmission time, infectious population, sequelae, etc., there is still a big difference between the two

Influenza transmission is mainly from autumn to spring of the second year, and the infectious population is mainly from the elderly and weak; the spread of the new crown does not differ in season, and the infectious targets does not differ in age. In addition, some new crown patients also have sequelae to varying degrees.

. Influenza attacks the upper respiratory tract, the new crown attacks the lung

Influenza symptoms are cough, fever, COVID causes cough, fever, disappearance of taste, lung damage and other symptoms, and the symptoms are significantly more serious than influenza.

4, the new crown mutation space is large

Influenza is an ancient virus, basically stable. But COVID viruses mutate quickly and there is still a lot of room for mutation.

For the above reasons, the new crown is not a flu. We still need to continue fighting the new crown virus until its harm is greatly reduced to a range we can bear.

The new crown epidemic has lasted for three years. When will it end? The academician gave the answer

The new coronavirus has a strong survivability, and 38℃ is a "piece of cake" for it! Previously, experts detected in the laboratory that the new coronavirus is still active in a high temperature environment of 95℃, and the new coronavirus has mutated strains and has very strong transmission ability, which has led to the new coronavirus being unable to disappear for a long time.

from from Lanzhou University Academician Huang Jianping brought his team to predict through a prediction system. The prediction time point was in 2021, when the number of confirmed cases worldwide was as high as 750 million. Regarding the question of when the new crown epidemic will end, the prediction system will give an answer and will end around November 2023. Is the result of

reliable? Academician Zhong Nanshan said that we must prepare for the long-term plan for the new crown epidemic, because large-scale transmission can achieve full control. This region needs to be slowly relaxed in dynamic zeroing, mainly to ensure the lives and safety of the people.

There are several possible outcomes after the new coronavirus infection

First, just like measles , etc., it is immune for life, because the antibodies produced can last for a lifetime;

Second, like influenza, infection once produces antibodies, but the duration is very short. Therefore, within a year, especially in autumn and winter, it is easy to get infected with the flu continuously. At the same time, with the continuous mutation of the virus, there are many subtypes of influenza.

From the current limited evidence, the infection of the new coronavirus is likely to be similar to the "big influenza". One infection can last for 2-3 months, which means that it may be infected once in a season, and in the future, it may also mutate into different subtypes and be mixed infections.

Then even if humans have vaccine , the new coronavirus infection is still relatively popular, and humans will continue to fight the new coronavirus. This probability is becoming more and more prominent, and it is very likely to evolve into a similar seasonal flu.

In the long run, how should we deal with the epidemic?

We don’t have to be overly afraid of the new coronavirus, but we must take personal and family protection. It is not advisable to lie down directly, and it is also irresponsible to ourselves and our family. If you have a cold or a fever, we still need injections and medicine. Omickron, a virus with extremely strong transmission, cannot fight unprepared battles.

On the one hand, vaccinate and strengthen the shots for the people with the greatest risk, and establish an "immune wall" throughout the population.

In life and work, everyone should wear masks frequently, wash their hands frequently, and reduce gatherings.

At the same time, people also need to strengthen physical exercise so that they can better prevent the invasion of the disease.

The new coronavirus is not the first unknown virus, nor the last one. Only when we are strong will the virus be less terrible.