At this point, variants will keep happening. Even if you get a high enough rate of vaccination in the US, large parts of the world such as Africa, India, and ot

At this point, variants will keep happening. Even if you get a high enough rate of vaccination in the US, large parts of the world such as Africa, India, and others have fairly low rate of vaccinations, combined with crowding, poorer healthcare facilities and not even a hope of full vaccinations until the end of 2023 or so in the best case. Also, there is no isolating countries for any significant periods of time. People will travel, if not directly than via intermediate counties. Pfizer/Moderna and others must be salivating at the new revenue stream from continued booster shots that will go on for the foreseeable future. Also, manufacturers of COViD detection and treatment equipment.