Government Funding Lapse
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.

seroconversion

(SEER-oh-kun-VER-zhun)

The production of antibodies (proteins) in the blood of a person who did not have the antibodies before. It occurs after vaccination or exposure to a virus or other substance. Testing for seroconversion can be used to look for the presence of an infection or disease or to see how well the body’s immune system responds to a vaccine.

seroconversion

Search NCI's Dictionary of Cancer Terms