Significance of serum copper zinc ratio in smear negative pulmonary tuberculosis cases in Rohilkhand region

Abstract

Introduction: Tuberculosis being a highly contagious chronic pulmonary and systemic disease is explicit cause of morbidity and mortality worldwide. There is a direct relationship between zinc and copper in maturation of immunity, Cu/Zn ratio in serum serves to assess levels of oxidative stress in infectious diseases and thus could be used as a diagnostic tool in early diagnosis of smear negative tuberculosis.