A two-bar antigen test is generally defined as a two-bar neocoronavirus antigen test, which does not necessarily mean that the test result is unequivocally positive. For some people, a two-bar test result is not necessarily positive because the test result can be affected by a number of factors, such as improper handling, expired or substandard antigen test kits, and so on. If you feel unwell, you can seek medical advice for further tests such as nucleic acid test and lung CT. The diagnosis of novel coronavirus pneumonia can be confirmed if there is a positive nucleic acid test, abnormalities in lung tissue on lung CT, and contact with novel coronavirus pneumonia, accompanied by fever or cough. Those who are diagnosed with novel coronavirus pneumonia need to adjust their mindset and actively cooperate with doctors for treatment. After the new coronary to maintain a good attitude, active treatment, early recovery of health. Tips] In this article, “new coronavirus pneumonia” and “new coronavirus pneumonia” have been renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.