IgM

Immunology.

1. immunoglobulin M: a class of short-term circulating and secretory antibodies existing as an aggregate of five antibody molecules, having a high affinity for viruses.

IGM

abbreviation for

1. International Grandmaster

Word History and Origins

Origin of IgM¹

First recorded in 1960–65

Example Sentences

Consequently, IgM can bind to multiple antigens at the same time, clearing them quickly.

From Science Daily

Only those who had a Chinese vaccine are eligible for waivers of the IgM anti-body blood test.

From Reuters

Those who received an inconclusive positive IgM antibody test can still obtain a health QR code if they’ve received a Chinese vaccine, according to the new guidelines.

From Washington Post

None of the babies in this study were found to have immunoglobulin M, or IgM, antibodies, which are typically only detected soon after an infection, suggesting that the babies hadn’t been infected with the coronavirus.

From New York Times

Another concern, Dr. Theel said, is that IgM tests can also be very difficult to find.

From New York Times