The question is how likely is that to happen to anyone else (and can we test someone to find out if they are carrying the dormant virus and/or are contagious).
I don't think there will be an answer to this for another little while. I'm curious to hear why epidemiologists are dismissing it out of hand, when it's common for antibodies of other coronaviruses to last 3-6 months. It doesn't seem like an absurd idea.