That's a hard won anon. Viruses are tricky, but can be re-coded [translated?] for good.
My mind jumps to the nam-shub.
In my neck of the woods we'd just form a poultice. Mud and spit, like Jesus used. Maybe a pinch of tobacco. I use Perique. The hard part is locating the right spot. You might find a Traiteur.
xoxo & good luck