Jesus H fucking Christ. If there is a Covid related cause to the persistent levels of excess deaths it's almost certainly due to covid infection, which is known to cause strokes, heart problems and a shit load of other well documented and potentially severe outcomes. Some new research just published today just 'found that about 25% of people who are recovering from COVID-19 have signs of increased clotting that are “quite marked and unusual”' and this is a drop in the ocean of serious research on the topic.
https://www.nature.com/articles/d41586-022-02286-7
At the very least, it makes more basic sense that the virus that has been allowed to run completely rampant, hitting insane and protracted levels of infection across the entire population since December with virtually no mitigations is the cause, rather than a vaccine program that was heavily monitored for safety and essentially stopped last winter.