Dr Stephen Reddel, of the MAA Medical Advisory Board, has flagged the need for anybody who has previously had or currently has a thymoma to take extra care protecting against exposure to COVID-19 as they may be more seriously affected. The following relevant article is technical but included here:

https://science.sciencemag.org/content/early/2020/09/23/science.abd4585.  

For further information please contact Susan on 1800 802 568.