Dear your mind gets easily sensitised to small triggers or any changes around you. Corona has been a big change for each and everyone of us. Almost everybody has faced this slight anticipatory anxiety within pertaining to future uncertainty and routine change. You have faced to a greater extent tough.
Next Steps
Anxiety in brain can reflect in physical symptoms like the one you have mentioned.
Health Tips
You are not the only one facing such problem. There are many struggling with such problems currently. So just continue with the treatment