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Tumour necrosis factor-α inhibitors (TNFi) are immunosuppressive therapies that are known to increase infectious risk. Indeed, patients affected by TNFi requiring conditions are at higher risk of influenza compared with healthy controls.1 Furthermore, mildly reduced seroconversion rate after influenza vaccination had been reported in TNFi-treated patients.2 Nonetheless, the immune response is considered large enough to recommend influenza vaccination in all patients affected by rheumatoid arthritis, regardless of treatment.3 However, there are data showing that patients are not being vaccinated as recommended.4 In addition, given that subjects with autoimmune conditions treated with TNFi are at higher risk for influenza,1 the …
Handling editor Josef S Smolen
Contributors All authors contributed equally to the design of the study and write-up of the letter.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
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