Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Clinical application and evaluation of antigen strips (A). ROC curve for the cutoff determine of antigen strips (B). The results of antigen strips in COVID-19 cases (progress stage, ●; cured stage, ○), patients with other respiratory diseases (■), and healthy controls (□). ***p < 0.001; ns, nonsense (C). The antigen detection rate at different time of development of COVID-19. Antigen test (●), RNA test (○) (D). Diagnosis value of antigen strips, RNA detection and combined evaluation.
