Discordance between Tuberculin Skin Test and Interferon Gamma Release Assay is Associated with Previous Latent Tuberculosis Infection Treatment

Divya Reddy^1*, Max R O’Donnell^2,3, Allan M Welter-Frost⁴, Alison Coe⁶ and C Robert Horsburgh^5,6

¹Albert Einstein College of Medicine/Division of Pulmonary Medicine, Bronx, NY, USA

²Columbia University Medical Center/Division of Pulmonary, Allergy and Critical Care Medicine, New York, NY, USA

³Columbia University Mailman School of Public Health/Department of Epidemiology, New York, NY, USA

⁴University of Iowa Hospitals and Clinics/Department of Internal Medicine, Iowa City, IA, USA

⁵Boston University School of Public Health/Department of Epidemiology, Boston MA, USA

⁶Boston University School of Medicine/Department of Medicine, Infectious diseases, Boston, MA, USA

^*Corresponding Author: Divya Reddy, Albert Einstein College of Medicine/Division of Pulmonary Medicine, 1300 Morris Park Avenue, Price Rm 350, Bronx, NY 10461, USA, Tel: 718-678-1040, Fax: 718-678-1020 Email: