Having high fever and dry cough and cold

I have taken 14days Fabi flu dose on 13april to 26april after that had problem of throat infection taken medicine for that then faced the problem of acidity since 13 may taking homeopathy medicines for acidity but on 28 may had severe acidity problem that night not slept properly 29 may had 102fever evening it went up 103fever and dry cough also then I immediately went for ct-scan of chest it came clear no patch were found Saturday night on same daytaken medicine for fever, throat and for acidity Sunday night had non stop dry cough not slept properly till Monday morning 6 then went blood test and for urine test WBC came8-10, EPITHELIAL cells 20-30 sedimentation rate (ESR) 30 above tests ranges are high. Now the question is still I have fever and dry cough and cold and feeling my heart beats running fast should I go for covid test again as already checked on5 April, 13april, 10may always comes negative and my antibody made 2.48 rage