Risk of incident & recurrent H.Zoster higher after tofacitinib - Korean claims analysis of 11,720 seropos. RA pts Rx w/ bDMARD or tofacitinib (2011-19). 14% got HZ. Compared to other biologics (ABA), Tofa incr HZ (HR 2.5) & recurrence (HR 3.69) https://t.co/lDuqdtkIjR https://t.co/zJ3ArS3gGs