Nucleic Acid Test
Highly accurate, demanding, and long time-consuming, suitable as the first line of defence; capable of discovering infected people in the window period;
There are higher requirements for the detection platform and personnel. If the test result of the suspected patient is negative, the infection cannot be ruled out, and a follow-up test is required.
Simple, fast, generally accurate, suitable as an auxiliary; specimens are easy to obtain, easy to operate, and short time-consuming; however, it takes time to produce antibodies after the antigen enters the body, with a window period.