At age 28, i suffered fever from 35 days, on 9-05-16 i suffered from typhoid fever taken 10 days course(IV & tablets), but after 4 days fever is repeating with 99- 100.1 f , again i use ofloaxcin, for 5 days, my ESR is 0n 3-06-16 is 53, & ESR is on 15 th june 40,HsbAg is negative, rheumatoid factor negative U/S scan is normal, LFT is normal, Mantox is 15 mm enduration,(on February when suffered dry cough), once in a day fever range from 99-100.1, symptoms with dry cough on 13 -06 -16,now the chest x ray shows mild Prominent vascular markings seen in both lungs field. Please advise me what is the exact reason for low grade fever, headache, dullness, (and appetite is good ,weight is 70kgs, 175 height,) still i have typhoid or any other infections, x ray shows any lung infection or TB,