Problem regarding the temperature variat

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, used 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 20 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,today CBC done esr 20, platelet 2.1lks,rbc 4.69millons,wbc 11260,hb 14.4℅,mcv 92fl,mch 30.76pg,mchc 33.42,will this show iron deficiency which tests are useful for me now is that temp is normal