The nucleic acid test results should be rechecked within 24 hours, and no text message was received.

Wait patiently, the process of nucleic acid detection is very complicated. In some areas, text messages are only sent when there are too many people taking samples. Under normal circumstances, no text messages will be sent, and the nucleic acid results will be sent within 24 hours.

Its pathogen is a kind of novel coronavirus, that is, 20 19 novel coronavirus, which has not been found in humans before. COVID-19 can constantly adapt to the host, and produce mutations in the process of replication.