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*Note: this paper is being presented at the European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) and is being published in
The Lancet Rheumatology. Please credit both the congress and the journal in your stories*
A new study presented at this year's European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) and published in
The Lancet Rheumatology, shows that the antibody - but not the T-cell - response to the first dose of the Pfizer COVID-19 vaccine is weakened in patients taking the immunosuppressant methotrexate. In contrast, antibody and T cell responses are preserved in patients taking biological drugs such as tumour necrosis factor (TNF) inhibitors.