There are experimental drugs that can neutralize AAbs. They were successfully tested on Long Covid patients, but this is very preliminary. See for instance htt

There are experimental drugs that can neutralize AAbs. They were successfully tested on Long Covid patients, but this is very preliminary. See for instance https://www.frontiersin.org/articles/10.3389/fmed.2021.754667/full https://www.frontiersin.org/articles/10.3389/fmed.2021.75466...