"About 1.3 million people in the UK are on methotrexate........ A previous study from Korea showed that a fortnight's break from methotrexate immediately after the flu vaccine increased the patients' immune response to that jab. ......The University of Nottingham researchers.....will recruit 560 methotrexate patients.......Although the Vroom study will take one to two years to complete, .....
bbc.co.uk/news/health-59252739
Has any study been done on Prednisolone?