VROOM 🏎️ study 2 wks interruption of MTX just after COVID vaccine: -Increase S1-RBD Ab response for 26 wks -Improves Neutralizing Ab titres (Wuhan Hu-1) -Leads to more flares wks 4 & 12 Greater effect when MTX dose>15mg @RheumNow #ACR23 ABST1677 https://t.co/SJmaRHtbRH