Discover how to craft a professional resignation letter due to illness. Customize and Download this "Employee Resignation Letter for Health Reasons".Dear Ms. Margie King,. I trust this message finds you in good health. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. In this article, we explain how to write a committee resignation letter and provide five example letters that cover a variety of resignation circumstances. 20 sample resignation letters due to health issues to provide you with guidance and assistance for resigning gracefully and professionally.