RT Journal Article SR Electronic T1 Dr. Kitajima et al reply JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP jrheum.220777 DO 10.3899/jrheum.220777 A1 Takamasa Kitajima A1 Atsushi Funauchi A1 Toshiki Nakajima A1 Satoshi Marumo A1 Yoshitaka Imura A1 Motonari Fukui YR 2022 UL http://www.jrheum.org/content/early/2022/09/15/jrheum.220777.abstract AB We thank Mutoh et al1 for their interest in our study on antimelanoma differentiation-associated gene 5 antibody–positive interstitial lung disease (anti-MDA5-ILD) after vaccination with coronavirus disease 2019 (COVID-19) mRNA vaccines2 and for sharing their clinical experience. Mutoh et al1 reported a case of anti-MDA5-ILD that developed 8 weeks after COVID-19 mRNA vaccination in Japan.