Contact information
Research Groups
Brian MacKenna
Brian is Director of NHS Service Analytics at the Bennett Institute. He also works for NHS England as a pharmacist adviser and primary care medicines data clinical lead. Brian was previously Clinical Fellow to the English Chief Pharmaceutical Officer, Dr. Keith Ridge, and Deputy Head of Medicines Optimisation at Islington Clinical Commissioning Group. Brian previously worked as a pharmacist in a variety of hospitals, in London and Australia. He has also completed his Masters in Public Health at King’s College.
Recent publications
Ethnic differences in Long COVID diagnosed in primary care in England (2020–2022): an observational cohort study using OpenSAFELY
Journal article
Mallinson PA. et al, (2026), Lancet Regional Health Europe, 63
Time trends in newly recorded diagnoses of 19 long term conditions before, during, and after the covid-19 pandemic: population based cohort study in England using OpenSAFELY
Journal article
Russell MD. et al, (2026), BMJ, 392
OpenSAFELY: Effectiveness of COVID-19 Vaccination in Children and Adolescents
Journal article
Andrews CD. et al, (2026), Epidemiology Cambridge Mass, 37, 141 - 151
Outpatient hospital attendances in people with rheumatoid arthritis during the COVID-19 pandemic and beyond: a cohort study in three nations of the UK
Journal article
Costello RE. et al, (2026), Rheumatology, 65
Hospitalisation and mortality impact of shielding during 2020 in England: a transmission modelling evaluation using the OpenSAFELY platform
Preprint
Filipe JAN. et al, (2025)