This video provides clear information on how Covid-19 affects our bodies adversely, e.g. via inflammation and over-reaction of the immune system (cytokine storm); why anti-viral remdesivir and drug hydroxychloroquine have been found to be relatively ineffective; and how a low-cost steroid dexamethasone produced quite dramatic positive results in severely affected patients. Although well-produced, this video is a means by the producers Real Science to advertise services like Nebula and CuriosityStream.
View here (Real Science, July 11, 2020)