Also there's substantial proof COVID19 antibodies don't last forever, in some cases only a few months.
This article is riddled with questions.
This article is riddled with questions.
https://threadreaderapp.com/thread/1285618977654407169.html
https://www.medrxiv.org/content/10.1101/2020.07.14.20151126v...
There are many reasons a person with a severe illness might have to return to a hospital (e.g. lung damage from ventilators), but this has no relationship to repeated infection from the same virus.