Good article from Forbes on this topic. The general rule of thumb has always been that if your job is eliminated or you are part of a layoff, you can collect unemployment, but if you are let go for "cause", (performance or violating company policies), you cannot. Seems most of the HR and legal experts are stating that if you go against the employer's vaccine policy, you cannot collect.
https://www.forbes.com/advisor/perso...t-eligibility/