I read this or something like it at the time:Another science hater who thinks the ‘vaccine’ keeps you from catching and spreading the virus.
"the study also will evaluate the potential for the vaccine candidate to provide protection against COVID-19 in those who have had prior exposure to SARS-CoV-2, as well as vaccine prevention against severe COVID-19 disease."
Pfizer and BioNTech Announce Vaccine Candidate Against COVID-19 Achieved Success in First Interim Analysis from Phase 3 Study | Pfizer
Vaccine candidate was found to be more than 90% effective in preventing COVID-19 in participants without evidence of prior SARS-CoV-2 infection in the first interim efficacy analysis Analysis evaluated 94 confirmed cases of COVID-19 in trial participants Study enrolled 43,538 participants, with...

It was the highlighted bit that took my eye; it seemed to me that if you caught it you wouldn't get it as badly as if you were untreated. That was all I was wanting.
As for side effects etc? Still even more to come out about them.
Greg