Experts say there is no scientific rationale for or benefit to requiring people who have had Covid-19, even without symptoms, to be vaccinated for Covid-19.

https://sharylattkisson.com/2021/08/covid-19-natural-immunity-compared-to-vaccine-induced-immunity-the-definitive-summary/

Illinois health officials recently announced more than 160 fully-vaccinated people have died of Covid-19, and at least 644 been hospitalized; ten deaths and 51 hospitalizations counted in the prior week. Israel’s Health Ministry recently said effectiveness of the Pfizer-BioNTech vaccine has fallen to 40 percent