HLA-B*57:01(+) abacavir-naive individuals have specific T cells but no patch test reactivity.

Schnyder B Clinic for Rheumatology and Clinical Immunology/Allergy, Inselspital, University of Bern, Bern, Switzerland.
Adam J Clinic for Rheumatology and Clinical Immunology/Allergy, Inselspital, University of Bern, Bern, Switzerland.
Rauch A Department of Infectious Diseases, Inselspital, University of Bern, Bern, Switzerland.
Thurnheer MC Department of Infectious Diseases, Inselspital, University of Bern, Bern, Switzerland.
Pichler WJ Clinic for Rheumatology and Clinical Immunology/Allergy, Inselspital, University of Bern, Bern, Switzerland. Electronic address: werner.pichler@insel.ch.