Asymptomatic infection is generally defined as an asymptomatic infected person who is infected with C. neoformans virus, which generally does not have a definite effect on the body after self-healing, but may have some effect if it is an asymptomatic person who has turned into a common or severe infection. In the case of definite asymptomatic infected persons who do not develop definite symptoms throughout the period of infection and isolation, there are generally no definite effects. Such infected persons have low viral counts and loads that do not reach the level of damage to organs and tissues and therefore do not have definite effects. However, if the infection is asymptomatic in the early stages and then becomes generalized or severe, it may have some effect. The main manifestations of the respiratory system, such as coughing, the nervous system, such as taste and smell abnormalities, etc., depending on the condition of the consultation with their own primary care doctor to determine the specific. Tip: The terms “new coronary pneumonia and new coronary virus pneumonia” mentioned in this article were renamed to “new coronary virus infection” on December 26, 2022, as announced by the National Health Commission.