An official website of the United States government
Here's how you know
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.
Probability that only 1 of 17 patients would have been infected with an identical strain of B. burgdorferi in a recurrent episode of Lyme disease due to chance alone
Data source for frequency distribution of strain types
Probability of 1 or fewer patients becoming infected with the same strain of B. burgdorferi