If you think you're getting sick, the number one action you should take is to begin treatment early. You need to take action before symptoms get worse. The author had a high grade fever for a week but never mentioned seeking any treatment.

Things you should do yourself: take vitamins and nutritional supplements, drink plenty of water, get your body moving, isolate yourself from others, wear a mask.

Things your doctor should do for you: prescribe antivirals, also corticosteriods & antithrombotics if symptoms continue to worsen. The goal is to avoid the hospital and severe outcomes - many clinics will prescribe these safe & widely available over the counter medicines with little to no consultation.

Whether you're vaccinated or not, this should be the standard of care for everyone - it's no different than most other viral infections. For some reason very few people seem to be aware of this advice, and all the scientific evidence supporting it (in the context of SARS-CoV-2 and in general).