FIG. 5.
Phylogenetic tree of B. burgdorferi strains based on the sequence of the ospA gene as described in the text. The scale under the tree measures the distance between sequences. OspA serotypes of each strain are given in parentheses.
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.