About this metabolism in male. Correct.

Asked for Male, 24 Years Imn24vyrs male Hb 13.2,mch 26 ,mchc 28 will this show iron deficiency ,will this cause temp variation 98-99.4,urine analysis normal ,earlier from 4 mnths it is variation btn 98-99.8 during 1stmntth widal 1:160 temp same antiboitics taken 14 days then widal normal then from april onward same variation 98-99.8,if went outside and check temp it is 99.2-99.4 if taken rest it is 99 ,previously went for exam after coming home check temp 99.8 after 30 min it is 99,vit b12 normal vit d3 30.2pg/m taking vit d3 60k ,I'm vegetarian from 2yrs ,thyroid normal,us abd normal,chest x-ray clear,in June blood culture negative,suppose any work done if went out and in temp rises to 99.4-99.8 ,after 30 min rest it is 99,what is reason for fluctuations,some do tors saying thypoid Bacteria will be there 6mnths is it correct doctors ,another doctor saying it is your normal temp99+ based on your metabolism is is happening, it will change from person to person  is it correct.