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.
Sampling locations of the survey. Settlements with no infected dogs are indicated by black dots, while places of infection by D. immitis and D. repens and by both species are represented by filled boxes, empty triangles and filled triangles, respectively. Detected spatial cluster for D. immitis (solid line) and D repens (dashed line)
