I maintain that there is no peer-reviewed research proving that an individual can become infected after recovering from COVID-19. There are only scattered media

I maintain that there is no peer-reviewed research proving that an individual can become infected after recovering from COVID-19. There are only scattered media reports. However, I am not claiming it is strictly impossible. That has not been proven either. But at this point, we could only assume it is extremely rare, at least within a 5-6 month window.