2 weeks after my second booster, I experienced muscle weakness in my legs and sudden heel pain in both feet. Been to several doctors over last 1.5 years who are treating for plantar fasciitis. Just had a tenex procedure on one foot to see if it will help. Never experienced something like this. Been a challenge. Did experienced the muscle weakness with two of the vaccines though. I wonder if this foot issue might be longterm problem related to the vaccine.