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.
Chan HL, Chui AK, Lau WY, Chan FK, Wong ML, Tse CH, Rao AR, Wong J, Sung JJ.Chan HL, et al. Among authors: tse ch.J Med Virol. 2002 Oct;68(2):182-7. doi: 10.1002/jmv.10185.J Med Virol. 2002.PMID: 12210406