A Positive Qualitative Serologic Test for Infectious Mononucleosis

Photograph of a positive qualitative test for infectious mononucleosis showing clumping of the horse erythrocytes.

Clumping of the horse erythrocytes containing Paul-Bunnel antigens in their cell membrane indicates the person's serum contains heterophile antibodies.
Creative Commons License
Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017