MTX impairs COVID Vax responses in IMID pts from Ehrlangen & NYU. BNT162b2 mRNA COVID-19 vaccination in rheumatic pts (82) & 206 controls. Adequate immunogenicity seen in IMID & TNFi Rx >90%, but less (50-72%) w/ MTX (45) https://t.co/EvxZSAD6ve