It’s my understansing that changes to smell and taste have to do with small amounts of brain damage. It wouldn’t surprise me if auditory issues were also, to some degree, related to brain damage.
It’s been said that the injections, specifically the MRNA versions, allow the spike to settle in various parts of the body, including the brain. I’d go seeking links, but... Man, I can’t organize favorites on my phone and there are SO MANY...
I know a few folks who have persistent anosmia. And some who never got it. The diff: the people who all got it were denied early treatment or prophylaxis.
the articles go into some specifics, like the little ‘hairs’ inside the inner ear - their follicles can get infected and it’s these little ‘hairs’ that help us maintain a sense of balance. So with the ear, it doesn’t seem to be so much CNS, as localized effects on minature structures of the inner ear.
https://www.nebraskamed.com/COVID/where-mrna-vaccines-and-spike-proteins-go
Where does the vaccine go?
Here’s a peer-reviewed study that shows where intramuscular vaccines (which all three of the COVID-19 vaccines are) travel in macaques (a type of monkey). Vaccines mostly remain near the site of injection (the arm muscle) and local lymph nodes.
This makes sense: Lymph nodes produce white blood cells and antibodies to protect us from disease. A key part of the lymphatic system, lymph nodes also clean up fluids and remove waste materials. Finding pieces of spike protein in the lymph nodes is completely normal, because lymph nodes act as the trash removal service for the body. That means the vaccine did its job (made spike proteins, which caused the creation of antibodies) and will be cleared from the body.
Another peer-reviewed study tested exactly where an mRNA vaccine went in mice. Most of the mRNA vaccine stayed in the injection site muscle – where you get the shot. Look at Table 1. A lot of mRNA vaccine was found in local lymph nodes, which peaked about eight hours after the shot was given. A much smaller amount of mRNA vaccine went to farther away lymph nodes.