>I think there is still uncertainty as to how long the "natural immunity" lasts. >SARS-CoV-2 infection induces long-lived bone marrow plasma cells in humans h

>I think there is still uncertainty as to how long the "natural immunity" lasts. >SARS-CoV-2 infection induces long-lived bone marrow plasma cells in humans https://www.nature.com/articles/s41586-021-03647-4 https://www.nature.com/articles/s41586-021-03647-4