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.
Ct‐values are directly related to the antigen test results. The Ct‐values from positive patients to SARS‐CoV‐2 diagnosed by reverse transcription‐polymerase chain reaction (RT‐PCR) were significantly higher than the negatives. Moreover, we observed that the sensitivity decreased
