If the nucleic acid test is false positive, you can go to a regular hospital for nucleic acid test, and also do some other tests, such as blood routine or lung CT examination, which is helpful to judge whether you have COVID-19's disease. Nucleic acid detection is usually carried out by nasopharyngeal swab and blood test. If the specimen is contaminated during collection, it may lead to false positive results. So I need to go to the hospital again for nucleic acid testing. It is recommended to do it more than twice, once every 24 hours. Before doing nucleic acid testing, you need to maintain oral hygiene and try not to eat anything to avoid nausea and vomiting when doing nucleic acid testing. In addition, blood routine and lung CT examination should be done. If the test results show that there is no problem and the nucleic acid test results are negative for many times, the possibility of COVID-19 can usually be ruled out.

COVID-19 is a coronavirus disease, which usually causes fever, dry cough and fatigue. The initial symptoms are basically similar to colds, and some people will have a runny nose and a sore throat. If you want to prevent the occurrence of COVID-19, you can go to a regular hospital to get COVID-19 vaccine. Pay attention to wearing masks in daily life, avoid going to epidemic areas and wash your hands frequently.