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.
Subtype B phylogeny (all clusters), human immunodeficiency type 1 (HIV-1) pol sequences collected in Kiev, April 2013–March 2015. Subtype B clusters all sizes. Individual clusters are highlighted and colored according to the risk group of >60% of samples in the cluster (see Figure 3). Abbreviations: MSM, men who have sex with men; PWID, people who inject drugs. Scale bar = nucleotide substitutions per site.
