بالنسبة لبعض الأشخاص الموجودين في المناطق عالية الخطورة والذين قد يصابون بفيروس كورونا (COVID-19)., من المهم جدًا إجراء اختبار الحمض النووي. ولكن ليس من المناسب إجراء الاختبار إذا كانت هناك الشروط التالية:
1. 30 دقائق قبل أخذ العينات, it is not advisable to do nucleic acid testing for people who smoke, يشرب, chew gum, إلخ., so as not to affect the accuracy of the results.
2. People who have eaten too much are not suitable for nucleic acid testing because they are prone to nausea and vomiting, which affects the accuracy of the results.
3.Those who have taken oral antiviral and anti-infective drugs before the nucleic acid test should postpone the nucleic acid test to avoid affecting the test results.
4. If مسحة الأنف sampling is performed, the test can be suspended for people with acute nasopharyngeal disease, such as bleeding and edema.
5. Those who have had nausea and vomiting during the nucleic acid test should temporarily postpone the nucleic acid test and wait for the symptoms to be relieved before sampling.
6. When the sampled person touches the sampling crown of the swab or the tip of the sampling swab with their hands or other objects, it is not suitable to do nucleic acid testing, which may easily cause contamination and affect the test results,and need to be replaced and redo.
These six types of people are not suitable for nucleic acid testing.