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.
Absolute abundance of total ARGs (a,b) and intI1 (c,d) of toothbrush samples grouped by age (10–20 years (n = 5), 20–60 years (n = 16), >60 years (n = 4)) and period of use (<2 weeks (n = 6), 2–4 weeks (n = 6), 4–>12 weeks (n = 13)). Analyses were performed in duplicate and non-parametric Kruskal-Wallis test (p ≤ 0.05) revealed no significant differences between sample groups.
