No. There is documented cases where people in the middle ages would deliberately take small doses of poison to develop inmunity to poison itself. https://en.m

No. There is documented cases where people in the middle ages would deliberately take small doses of poison to develop inmunity to poison itself. https://en.m.wikipedia.org/wiki/Hormesis https://en.m.wikipedia.org/wiki/Hormesis If people could deliberately infect yourself with a weak version of Covid19 , they would. Problem is strains are still somewhat poorly understood so its hard to understand who carries a tough strain vs weak one.