Evaluation of the Long Term Safety, Tolerability and Efficacy of Two Dosing Regimens of Olokizumab (OKZ), in Subjects With Rheumatoid Arthritis (RA) Who Previously Completed 24 Weeks of Blinded Treatment in One of the Core Studies - CREDO 1, 2 or 3.

Safety and Effectiveness of Live Zoster Vaccine in Anti-Tumor Necrosis Factor (TNF) Users (VERVE Trial)