FRiend, the greater threat to your ill employee is the remdesivir. Did you know a remdesivir Ebola trial was stopped because remdesivir had a higher death rate (53.1%) than the other antiviral drugs in the trial? 10 days of remdesivir literally put 25% of its recipients into acute kidney failure. At the moment your time is better spent getting the patient off remdesivir post-haste. You may already be running out of time. But, yes, after that if it were me I would acquire a sterile (injectable) bottle of ivermectin from a feed store and meter it out by body weight into juice for a week. Read this regarding remdesivir :
https://deeprootsathome.com/dr-bryan-ardis-gives-life-saving-protocol-here/