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.
Comparison of RNA Extraction and Extraction-Free Methods on Samples with No Result by Traditional RT-PCR Followed by S Gene Sequencing
| Sample | Extracted RNA | Extraction free |
|---|---|---|
| 1 | RdRp, HV69/70 del | None |
| 2 | RdRp | None |
| 3 | RdRp, N501Y, HV69/70 del | RdRp |
| 4 | RdRp, HV69/70 del | None |
| 5 | RdRp, L452R | None |
| 6 | L452R, P681R | P681R |
| 7 | L452R, P681R | P681R |
| 8 | L452R, P681R | L452R, P681R |
| 9 | L452R, P681R | P681R |
| 10 | L452R, P681R | P681R |
