Its still out there but changed into a new strain or outcompeted by others. In those that caught it, much like most harmful bacteria it may live in or on them and could make them sick of they get seriously injured in another way and their immune system is unable to fight enough of the various invaders
deltadoodle747 t1_jdjncqr wrote
Reply to What happened to the old COVID variants, like Delta? Could they come back? by number1dork
Its still out there but changed into a new strain or outcompeted by others. In those that caught it, much like most harmful bacteria it may live in or on them and could make them sick of they get seriously injured in another way and their immune system is unable to fight enough of the various invaders