Mayo Clinic expert, Doctor Matthew Binnicker told state lawmakers today (Tues) “we still have a lot to learn” about how long immunity to COVID-19 persists after someone has had the disease:

“Is it a month, is it six months, is it a year, or is it the lifetime? My guess is it’s probably a year or less,… but again, we’ll learn a lot over the course of the next six to 12 months.”

And University of Minnesota Doctor Jacob Tolar told lawmakers it’s important to use *both* available tests to determine whether someone should be allowed to go back to work — the test that shows whether they *have* COVID-19 (molecular), and the one that indicates they already *had* it without knowing it (antibody/serologic).