New test by Minnesota biotech firm can read COVID antibody levels

December 7, 2020

Associated Press

This electron microscope image made available and color-enhanced by the National Institute of Allergy and Infectious Diseases Integrated Research Facility in Fort Detrick, Md., shows novel coronavirus SARS-CoV-2 virus particles, orange, isolated from a patient.

So, what's your titer?

That question, still strange sounding, may soon become important as vaccines bring about the endgame for COVID-19.

A person's COVID titer (pronounced TIGHT-er) is a measure of the concentration of virus-neutralizing antibodies in their blood. A high-enough titer of the antiviral proteins provides immunity to COVID-19, though researchers are still working to nail down exactly when protection ends.

https://www.startribune.com/this-test-can-read-your-level-of-covid-antibodies/573312841/