Although it's way more complicated than that and there are exceptions, but it's still a real phenomenon.
Community deworming increases Th1 cytokines https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5098677/
When you administer helminths to yourself there is no guarantee that they are going to the right spot in your body, etc. which explains why everyone responds differently.
Although it's way more complicated than that and there are exceptions, but it's still a real phenomenon.
Community deworming increases Th1 cytokines https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5098677/
When you administer helminths to yourself there is no guarantee that they are going to the right spot in your body, etc. which explains why everyone responds differently.