After infection with the new coronavirus, it usually takes 3 to 7 days to show positivity.
The incubation period of Neocoronavirus is relatively long, usually between 1 and 14 days, the average incubation period is about 7 days, most patients need 3~7 days to test positive.
Some patients have a low nucleic acid load initially, so the result may be false negative, and they need to undergo several repeated nucleic acid tests before a positive test can be detected.
If the patient feels that he or she has symptoms such as fatigue, fever, and dry cough, and the chest CT scan is suggestive of viral pneumonia, he or she needs to be isolated and observed, even if the nucleic acid result is negative.
Pneumocystis carinii pneumonia is a highly contagious disease that requires active treatment.
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.