Day 4 Report from #ACR21 My favorite three presentations from day 4 at ACR 2021 included the following: -Breakthrough Infections in Rheumatic Disease Patients -Secukinumab in Giant Cell Arteritis -STOP-Gout – Febuxostat is Noninferior to Allopurinol https://t.co/zJRS5AHjc1 https://t.co/FuwCFCK14r