Stop / Inhibit SARS-CoV-2 Replication, patients can fight off an infection?

"An antiviral is a substance that fights against viruses and inhibits their growth"
https://www.medicalnewstoday.com/articles/antiviral

"Antiviral agents are used to inhibit production of viruses that cause disease. Most antiviral agents are only effective while the virus is replicating."
https://www.drugs.com/drug-class/antiviral-agents.html

"Ventilators, also known as life-support machines, won’t cure an illness, but they can keep patients alive while they fight an infection or their body heals from an injury."
https://www.yalemedicine.org/news/ventilators-covid-19