Study of 176 anti-MDA5-DM patients and 55 controls found anti-IFN-α Abs in 18% of MDA5-DM pts, higherin those >60 yrs. IFN-α Ab-positivity assoc w/ RP-ILD (68% vs. 41%) & pulmonary infxn (74% vs. 46%, esp fungi), Mortality (p = 0.006). https://t.co/6w6S3nozPI https://t.co/FoXEIuLBEk