The time for nucleic acid test results to come out is related to the test method, the hospital and the level of laboratory testing, and cannot be generalized. For example, for the new crown nucleic acid test, the results will usually come out within 6 to 48 hours. Nucleic acid test is a kind of pathogenetic examination, such as the new crown virus test, usually use the nasopharyngeal swab against the new crown virus, oropharyngeal swab way to test, due to the different testing methods used by hospitals and other differences, the time is slightly different, most of the test results in the results in 6 to 48 hours, for people with special needs, the results can generally be obtained after 2 to 6 hours. When doing the new crown nucleic acid test, you need to be careful not to eat stimulating food or eat too much before the test to avoid nausea and vomiting. Since the virus can be transmitted through breathing and close contact, you need to keep a close eye on your physical condition. During the test, you need to wear a mask and keep a safe distance, and avoid talking to people to prevent infection.