Struggling with Covid Anxiety and Panic

I’ve been vaccinated and boosted for Covid but still came down with it I’ve had my anxiety and panic return from it even been to hospital said lungs were good although I still feel as though I cannot get enough air some days good others worse I know it’s my anxiety cause I can feel the muscles in my diaphragm tighten any suggestions on how to stop this cycle it’s been 3 weeks now and have never had it last this long I also had 3 family members pass from same family 10 months ago from Covid