Her Eyelid Drooped and She Kept Getting Weaker. What Was Going On? - The New York Times
https://www.nytimes.com/2021/03/04/magazine/myasthenia-gravis-mg-diagnosis.html
Seven months later, what we know — and don't know — about Covid-19
https://www.statnews.com/2020/08/17/what-we-now-know-about-covid19-and-what-questions-remain-to-be-answered/