Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Because of a lapse in government funding, the information on this website may not be up to date,
transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.
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.
![[Microscopic view of the human immunodeficiency virus]](https://cdn.statically.io/img/resource.nlm.nih.gov/preview/nlm:nlmuid-101447242-img)