The first step is to use a word besides "privelege" since that's an ideologically loaded term that, regardless of the many definitions its believers and confused non-believers will offer you, is functionally a form of original sin that can never be truly wiped clean, requiring eternal penance from the privileged.
If you don't agree with that concept, you shouldn't cede the linguistic territory by using the term coined by the people who invented that concept
Unless you had a second test, it's also highly likely that you had a false positive test, especially since the incidence of COVID in the population is still not that high
Read the section on drug testing to see what I mean. The probability of false positives when doing mass testing of mostly healthy individuals is much higher than you would intuit, so it's very possible that you never had the pathogen at all
If you don't agree with that concept, you shouldn't cede the linguistic territory by using the term coined by the people who invented that concept