I'm sorry that people in your family are being treated like a threat. Can you elaborate on that? I also feel for those if there are issues at work, and I really think US should mandate paid leave to take the vaccine (at a minimum), but that's another discussion. :)
This report details the findings of a case-control evaluation of the association between vaccination and SARS-CoV-2 reinfection in Kentucky during May–June 2021 among persons previously infected with SARS-CoV-2 in 2020. Kentucky residents who were not vaccinated had 2.34 times the odds of reinfection compared with those who were fully vaccinated