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.
Hoerauf A, Volkmann L, Nissen-Paehle K, Schmetz C, Autenrieth I, Büttner DW, Fleischer B.Hoerauf A, et al.Trop Med Int Health. 2000 Apr;5(4):275-9.Trop Med Int Health. 2000.PMID: 10810023Free article.