New test by Minnesota biotech firm can read COVID antibody levels
December 7, 2020
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.