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.
Relatedness of sequences amongst responders and non-responders. Phylogenetic tree of the CD4 responder (•) and non-responder (○) HCV core region based on the neighbour-joining method using 1000 bootstrap replicates (scores <30 are indicated by an asterisk). Bar, nucleotide substitutions per site.
