resolved HBV (HBsAg-, HBcAb+, HBsAb+) are at low risk of reactivation (~2%) w/ TNFi or biologics. But in a high risk endemic region (ie, Korea) this risk is higher. Study of 416 such pts HBV reactivation rate 3.5% @5 yrs, 6.1% @10 yrs & 24.2% @17 yrs https://t.co/oQ5e6O9wds https://t.co/50vBtapJVN