#COVID19 causes a hemoglobinopathy. More science needed into to the use of HCQ in these patients. http://web.archive.org/web/20200405061401/https://medium.com/@agaiziunas/covid-19-had-us-all-fooled-but-now-we-might-have-finally-found-its-secret-91182386efcb

If the virus damages 1/3 of the hemoglobin, it provides reason for the O2 sat demonstrate hypoxemia without clinical evidence of hypoxia. Is the virus using the lung as the portal of entry but effectively causing death by impacting the Hemoglobin molecule?

Here is a link to a good article on the topic. https://www.dropbox.com/s/m29acz7wuvsozs0/covid19-202000328-EN-1%20%281%29.pdf?dl=0 @meredithpharmd