That study is a small baseline study of 66 COVID-19 patients with awful COVID-19 fatality rates (16.7%).
Page 5 of:
https://www.atsjournals.org/doi/pdf/10.1164/rccm.202004-1163LE
Prelim perspective:
http://www.freerepublic.com/focus/f-chat/3842971/posts?page=25#25
You’re welcome.
Question. If this COVID is so dangerous then why are there so many things that seem to cure it?