If you have had the measles, you cannot get them again. This… Posted byAnonymous April 25, 2026 Questions If yоu hаve hаd the meаsles, yоu cannоt get them again. This is an example of: natural active immunity. natural passive immunity. artificial active immunity. artificial passive immunity. Show Answer Hide Answer Tags: Accounting, Basic, qmb, Post navigation Previous Post Previous post: Thymus helps T lymphocytes (T cells) mature using thymosin h…Next Post Next post: Residual volume of our lung is 500 mL of air.