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.
Map of Korea showing the sampling points at which diarrheal feces from calves were collected and the prevalence of Cryptosporidium spp. determined by PCR analysis. For statistical analysis, the samples were assigned to the northern, central, and southern groups according to administrative boundaries.
