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.
Disappearance of CTVT from the United Kingdom during the twentieth century. Timeline showing the declining number of historical reports of CTVT in the United Kingdom, coinciding with the introduction of dog laws. Data from the questionnaire (indicated with black and yellow dots) were used to confirm current absence (except for occasional imported cases) of CTVT from the United Kingdom. See also Additional file 3.
