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 Hungary showing in chronological order regions for: (1) CCHF virus isolation in 1972, (2) autochthonous bovine and ovine CCHF seropositivities in 1973, (3) one human CCHF case in 2004; and (4) the study area. Large, ruled circles indicate potential areas for infectious source.
