“Antibody tests support what’s been obvious: Covid-19 is much more lethal than the flu” https://www.washingtonpost.com/health/antibody-tests-support-whats-been-obvious-covid-19-is-much-more-lethal-than-flu/2020/04/28/2fc215d8-87f7-11ea-ac8a-fe9b8088e101_story.html
WSJ is reporting the same. I’m sure it’s out there somewhere without a paywall. https://www.wsj.com/articles/coronavirus-ravages-the-lungs-it-also-affects-the-brain-11586896119?mod=e2fb&fbclid=IwAR2R8SUhQfq2xPlfyrvl3pFymqua-1LTbLARRtRdwGQhK5E7Z336cGEnN3E