An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Kyriakis SC, Bourtzi-Hatzopoulou E, Alexopoulos C, Kritas SK, Polyzopoulou Z, Lekkas S, Gardey L.Kyriakis SC, et al. Among authors: bourtzi hatzopoulou e.J Vet Med B Infect Dis Vet Public Health. 2002 Sep;49(7):317-21. doi: 10.1046/j.1439-0450.2002.00574.x.J Vet Med B Infect Dis Vet Public Health. 2002.PMID: 12420865Clinical Trial.