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.
Neighbor-joining tree based on the comparison of rrf-rrl spacer sequences of B. burgdorferi sensu lato. The tree is drawn rooted at the midpoint for clarity. Sequences that are identical and that share the same branch are underlined. The numbers in the grey boxes are the results of 1,000 bootstrap resamplings (values of less than 70 are not shown). B. burgdorferi s.s., B. burgdorferi sensu stricto.
