Tequilla
Active poster
https://www.sciencemag.org/news/2021/08/having-sars-cov-2-once-confers-much-greater-immunity-vaccine-no-infection-parties
View attachment 42923
This is still missing a key part of the control …
I can buy natural immunity is more effective … not a huge shocker
What needs to be added in though is how the vaccination performs versus non-vaccinated