No clinical benefit was observed from the use of remdesivir in patients who were admitted to hospital for COVID-19, were symptomatic for more than 7 days, and required oxygen support.

link to study in Lancet

This has been known for a long time, but remdesivir is still standard treatment in US hospitals. The way this pandemic has been handled by American and many world leaders is very sad. Please see The Gestalt-Heuristic (G-H) Gap and Its Impact Upon Understanding for a detailed understanding of how this has come to be. ABN