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.
A: ORF7a amplicon for the wildtype and Δ12+68 variants. Artic primers annotations are visualized by blue arrows. B: Chromatogram peaks after capillary electrophoresis, wildtype, and Δ12+68 variants. C: Zoomed diagram details nucleotide sequence of the double deletion obtained by Sanger sequencing.
