opportunistic infection
(AH-per-too-NIS-tik in-FEK-shun)
An infection caused by an organism that does not normally cause disease. Opportunistic infections occur in people with weakened immune systems.
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at opm.gov.