The back part of my property was covered with an impenetrable thick patch of desert broom. I tried to peck away at it myself once it got too cold for the rattlesnakes. After I had a pile over my head and 20 feet long and had barely scratched the surface I called my landscaper.... :)
I'm very sorry this has happened to you. The vaccine was hard on me also, so I never got any boosters, but nothing like what it's put you through. You should be able to get compensation for how it's harmed you. Maybe under Trump you'll be able to.