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.
Stallknecht DE, Blue JL, Rollor EA 3rd, Nettles VF, Davidson WR, Pearson JE.Stallknecht DE, et al. Among authors: davidson wr.J Wildl Dis. 1991 Apr;27(2):238-47. doi: 10.7589/0090-3558-27.2.238.J Wildl Dis. 1991.PMID: 1676762