According to your sign and symptom you are suffering from infection of covid disease.
When you got the covid infection then virus enter in your body and cause covid infection provide immunity to your body.
when you take the vaccination of Covid than week virus enter in your body and cause a very mild infection of covid and provide to immunity .
S o vaccination or infection both provide to immunity to your body after some period.
Next Steps
you should take symptomatic treatment to get relief and follow good life life style as take sufficient amount of water and take more protein food rather than carbohydrate and fatty food and do exercise with yoga and meditation.
Health Tips
please keep positive attitude to fight any disease and any problem of your life.