On which factors temperature changes for me earlier widal o & h 1:160 , temperature is between 98 to 99.8 after that widal normal but temperature pattern is same,thyroid normal,no joint pains,on June 4 esr 10,crp 6,thyidot off igm negative,scrub thypus negative,blood culture negative,bp normal,urine normal,RH  factor assay negative,smear for mp.negative , doctors saying this is normal for me but which harmones r responsible for this variations Pls guide me doctors ,