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.
Seroprevalence of brucellosis in human and animals in Xi'an, 2014–2021. Blue and red bar charts represent the annual incidence of local and non-local cases, respectively. Green and black lines represent the annual seroprevalence of human and animals, respectively.
