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.
Sequence clusters for variants containing a T at position 28942. Extraction of the ML tree shown in Figure 1 for those sequences congaing the mutation leading to the +/+/- pattern. Lineages are indicated and sequences belonging to cluster A or B are coloured in orange a green, respectively. Branch length is indicative of nucleotide substitutions per site.
