While extremely difficult for strain-specific studies, one analysis yielded this:

[Linked Image from frontiersin.org]

One paragraph of interest:

"The Mu variant demonstrates a remarkable resistance to antibodies by convalescent plasma and vaccine-induced protection (Uriu et al., 2021). Pseudovirus model serological assay was performed on Mu variant infection. It was 9.1 times as resistant as the parenteral virus in response to mRNA-based vaccination (BioNTech), 2.0 times as resistant to neutralization by convalescent serum, and 1.5 times as resistant to neutralization by vaccine serum as the Beta variant. Similar resistance has been reported in inactivated vaccine-elicited antibodies (Xie et al., 2021)."