I've been posting Dr. Brenner's recent paper re PARP10 and SARS-CoV-2... are there really no bionerds here? If he's right, he's explained why the virus hits older people harder, and how to counter the effect with a safe supplement. Even the LA Times has noticed:
https://www.latimes.com/california/story/2020-05-01/promises-covid-19-vaccine-therapeutics-cure
Brenner's paper:
I did not know that... I can't spare many neurons, I'd better check it out.