Thank you for sharing. I have the same thing and it is from my first bout with Covid in 2021. I have now had Covid 4 times and the caffeine sensitivity remains

Thank you for sharing. I have the same thing and it is from my first bout with Covid in 2021. I have now had Covid 4 times and the caffeine sensitivity remains along with PVCs and chest pain. Brain fog has been almost debilitating and overall the impact on my career performance is noticeable.