What reason is often cold?

summary

When the season changes, many people will face the trouble of cold. The common cold symptoms caused by this kind of reason are caused by bacteria and viruses. The temperature difference between day and night makes it difficult for the respiratory tract to adapt. Of course, it does not rule out the decline of human immunity due to lack of exercise. Therefore, there are many reasons for common cold. What are the reasons for common cold? Now let me tell you something.

What reason is often cold?

The antibody of cold virus can not remain in human body for a long time. The common cold virus antibody generally only remains for about one month, and the influenza virus antibody can remain for 8-12 months, so the immunity after a cold can generally maintain for one month, while the influenza virus antibody can maintain for 8-12 months.

The immune function of antibody is specific. Although the human body can produce antibodies and obtain immunity after a cold, this kind of immunity is specific. It only has immune effect on the pathogens that cause this kind of immunity, but has no immune effect on other pathogens, so it is also called specific immunity.

There are many kinds of viruses that can cause colds. According to research, more than 90% of colds are caused by viruses. At present, there are more than 200 types of viruses that can cause colds, including influenza virus, parainfluenza virus, rhinovirus, syncytial virus, coronavirus, adenovirus and enterovirus. Human body may be infected by another virus soon after one virus infection is cured, so a person may repeatedly catch a cold in a short time.

matters needing attention

It is suggested that friends can start from the perspective of health care, combined with the above introduction to better analyze the causes of their frequent colds, so as to find a suitable solution and completely get rid of the long-term trouble of colds on the body.