>IANAD, immunity is complicated, and long term immunity after having recovered from CoVID-19 infection is not likely Replicated studies have already found that

>IANAD, immunity is complicated, and long term immunity after having recovered from CoVID-19 infection is not likely Replicated studies have already found that prior exposure to other coronavirus infections (common cold, animal viruses) leaves behind t-cells that are activates for covid-19, as long as 17 years. And that a large percentage of the population has these t-cells. [0] Does this change your opinion on herd immunity? [0] https://www.nature.com/articles/s41586-020-2598-9 https://www.nature.com/articles/s41586-020-2598-9