Nucleic acid test generally refers to the new coronavirus nucleic acid test, if you do not do it can not determine whether they have been infected, but also may affect the normal travel, as well as normal access to public places, found that not in accordance with the requirements of the test is recommended to be carried out in a timely manner. New coronavirus nucleic acid test is used to detect the infection of new coronavirus by extracting pharyngeal swabs, nasal swabs and other human specimens for nucleic acid testing of the virus. The prevention and control of neocoronavirus pneumonia is still very serious, and if you do not have it done, you will not be able to confirm whether you have been in contact with an infected person or whether you have been infected. In addition, in some cities, transportation and public places will require the presentation of negative results of the new coronavirus nucleic acid test, if you can not provide may not be able to get on the subway, buses, affecting the normal work and life. At present, most of the cities are still free of charge for the new coronavirus nucleic acid test, you need to actively carry out the new coronavirus nucleic acid test in daily life, do not avoid the examination. If you find yourself accompanied by fever, chest tightness and other symptoms, you should promptly seek medical treatment.