Did she test for antibodies?

My infection wasnt that severe as we noted. Asymptomatic people do still develop antibodies even if they don't last near as long. The more severe the infection, the more immunity you tend to build thru antibodies, but even asymptomatic ppl build some form of them.

In other words, do you think it is possible that you contacted the virus a few months ago, were asymptomatic, and have residual antibodies? But also, you dont sound like you got tested after you were exposed. Am I reading that right? Seems like you are spitballing T Cell immunity rather than listening to science.