Davidson, J (2022). jenAdavidson/sccs_fluvacc_cvd. [Data Collection]. Github. https://github.com/jenAdavidson/sccs_fluvacc_cvd

Thomas, S (2020). Influenza clinical risk groups 2017 version - Chronic cardiac conditions. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001903.

Thomas, S (2020). Influenza clinical risk groups 2017 version - Chronic renal disease diagnoses. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001904.

Thomas, S (2020). Influenza clinical risk groups 2017 version - Chronic respiratory disease (not asthma). [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001902.

Thomas, S (2020). Influenza clinical risk groups 2017 version - Diabetes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001905.

Thomas, S (2020). Influenza risk groups 2017 version - Chronic liver disease. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/data.00001906.

Thomas, S, Peppa, M and Walker, J (2020). Immunisation codelist - Influenza vaccination codes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001627.

Thomas, S, Peppa, M and Walker, J (2020). Therapy codelist - Influenza vaccination codes. [Data Collection]. London School of Hygiene & Tropical Medicine, London, United Kingdom. https://doi.org/10.17037/DATA.00001628.