About the temp pattern from 5 mnths.

I am 24yrs having temp variations 98-99.8 from 5 months before April it normal in April got thypoid widal o&h is 1:160,during thypoid max temp is 100.4,taken antiboitics for 14 days then also low fever in between 98-99.8 ,tests such as smear for mp,us abd ,chest x-ray us abdomen,thyroid normal,blood culture in June negative,urine analysis normal,vit b12 232,vit d 30.2 ,morning after wakeup up it is between 97.8-98.2,if went out and in 99after rest 98.6,afternoon sometimes 99.2-99.6 night after 9pm it is 98.6 if taken rest 10 days back blood test done ,esr 7,hb 12.9,rbc 4.9millons ,wbc 7900,mcv 96fl,mch 26 pg ,mchc 27gms℅,diff count also normal ,lft normal,crp 4.1,mch and mchc is less will this show iron deficiency ,doctors are saying fever is above 100 is it correct pls tell doctors