Research areas
Charis is Professor of Medicine at University of St Andrews and Consultant Infectious Diseases Physician in Ninewells Hospital, Dundee. She leads health data science and multidisciplinary reseach in applied infection epidemiology, antimicrobial stewardship (AMS) and antimicrobial resistance (AMR). Specific priority areas include the role of multimorbidity, polypharmacy, ageing, and health inequalities on infection risk and outcomes, and diagnostic stewardship. She is NHS Research Scotland (NRS) Clinical Lead / NIHR Senior Investigator in Infectious Diseases, and academic representative on the Scottish Antimicrobial Prescribing Group.
Selected publications
-
Open access
Genome-based source attribution using a One Health Escherichia coli isolate collection from 2013 to 2023 in Scotland
Chalka, A., Crozier, L., Vallejo-Trujillo, A., Low, A., McAteer, S., Qarkaxhija, V., Templeton, K., Tongue, S. C., Evans, J., Foster, G., Webster, C., Evans, T., Marwick, C. A., Raza, A., Parcell, B. J., Holden, M. T. G., McNeilly, T., Fitzgerald, S., Mitchell, M. & Silva, N. & 18 others, , 20 Apr 2026, (E-pub ahead of print) In: Microbial Genomics. 12, 4, 001693.Research output: Contribution to journal › Article › peer-review
-
Open access
Impact of COVID-19-related healthcare changes on antibiotic resistance in clinical Escherichia coli isolates: interrupted time series analyses in Scotland, UK
Ciaccio, L., Donnan, P. T., Parcell, B. J. & Marwick, C. A., Mar 2026, In: Journal of Antimicrobial Chemotherapy. 81, 3, p. 1-8 8 p., dkag049.Research output: Contribution to journal › Article › peer-review
-
Open access
A scoping review of randomised controlled trials of vaccines that recruited care home residents: lessons for future trials
Subbarayan, S., Smith-Dodd, I., Nicolson, G., Burton, J. K., Scott, J. T., Vasan, S. S., Shenkin, S. D., Soiza, R. L. & The WATCH Consortium, 15 Dec 2025, In: Age and Ageing. 54, 12, p. 1-12 12 p., afaf355.Research output: Contribution to journal › Review article › peer-review
-
Association between antidepressants and antimicrobial resistance: a scoping review
Adekanmi, B. G., Marwick, C. A., Wang, H. & Barnett, K. N., 3 Jul 2025, medRxiv, p. 1-22, 22 p.Research output: Working paper › Preprint
-
Genome-based source attribution using a one health Escherichia coli isolate collection from 2013-23 in Scotland
Chalka, A., Crozier, L., Vallejo-Trujillo, A., Qarkaxhija, V., Low, A., McAteer, S., Templeton, K., Tongue, S. C., Evans, J., Foster, G., Evans, T., Marwick, C. A., Raza, A., Parcell, B. J., Holden, M. T., Mcneilly, T., Fitzgerald, S., Mitchell, M., Silva, N. & Robertshaw-McFarlane, E. & 17 others, , 25 Nov 2025, medRxiv, p. 1-21, 21 p.Research output: Working paper › Preprint
-
Impact of COVID-19 related healthcare changes on antibiotic resistance in clinical Escherichia coli isolates: interrupted time series analyses in Scotland, UK
Ciaccio, L., Donnan, P. T., Parcell, B. J. & Marwick, C. A., 23 May 2025, medRxiv, p. 1-22, 22 p.Research output: Working paper › Preprint
-
Open access
Universal versus targeted chlorhexidine and mupirocin decolonisation and clinical and molecular epidemiology of Staphylococcus epidermidis bloodstream infections in patients in intensive care in Scotland, UK: a controlled time-series and longitudinal genotypic study
Sharaf, S., Lawes, T., Roos, D., Okoliegbe, I., Alapati, S., Ribeiro, A., Nkene, I., Ghezzi, D., Reid, S. J., Austin, V., Ayansina, D., Wilson, B., Rehman, T., Parcell, B. J., Mellor, I., Marwick, C. A., Oggioni, M. & Hijazi, K., Aug 2025, In: The Lancet Microbe. 6, 8, p. 1-13 13 p., 101118.Research output: Contribution to journal › Article › peer-review