Miss Harriet Forbes

Assistant Professor

United Kingdom

Dr Harriet Forbes did an undergraduate degree in Human Sciences, followed by a Masters in Epidemiology at LSHTM. She was a Research Assistant at the Kings Centre for Military Health Research, exploring the mental health of military personnel returning from Iraq and Afghanistan, before joining the London School of Hygiene and Tropical Medicine in 2011. Her PhD looked at risk factors for zoster and postherpetic neuralgia, using UK electronic healthcare records. She went on to receive an HDR-UK Innovation Fellowship to investigate complications of herpes zoster.

She is currently working in the Beyond Cancer group, investigating the long-term health of cancer survivors, using UK electronic health data.


Department of Non-communicable Disease Epidemiology
Faculty of Epidemiology and Population Health


Harriet is a Module Organiser for Practical Epidemiology, a module on the Distance Learning Epidemiology Masters.


Electronic health data; cancer; skin diseases; pregnancy; mental health.

Selected Publications

First-trimester use of antiseizure medications and the risk of miscarriage: a population-based cohort study.
FORBES, H; Madley-Dowd, P; Ahlqvist, V; Campbell, J; Davies, NM; Liebling, R; Lyall, K; Newschaffer, C; Rast, J; Tomson, T; Zhong, C; Magnusson, C; Rai, D; Lee, BK;
Journal of neurology, neurosurgery, and psychiatry
Clinical coding of long COVID in primary care 2020-2023 in a cohort of 19 million adults: an OpenSAFELY analysis.
Henderson, AD; Butler-Cole, BF; Tazare, J; Tomlinson, LA; MARKS, M; JIT, M; BRIGGS, A; Lin, L-Y; CARLILE, O; Bates, C; Parry, J; Bacon, SC; Dillingham, I; Dennison, WA; COSTELLO, RE; Wei, Y; Walker, AJ; Hulme, W; GOLDACRE, B; Mehrkar, A; MacKenna, B; OpenSAFELY Collaborative,; HERRETT, E; EGGO, RM;
Impact of long COVID on health-related quality-of-life: an OpenSAFELY population cohort study using patient-reported outcome measures (OpenPROMPT).
CARLILE, O; BRIGGS, A; Henderson, AD; Butler-Cole, BF C; Tazare, J; TOMLINSON, LA; MARKS, M; JIT, M; Lin, L-Y; Bates, C; Parry, J; Bacon, SC J; Dillingham, I; Dennison, WA; COSTELLO, RE; Walker, AJ; Hulme, W; GOLDACRE, B; Mehrkar, A; MacKenna, B; OpenSAFELY Collaborative,; HERRETT, E; EGGO, RM;
The Lancet Regional Health - Europe
Impact of vaccination on the association of COVID-19 with cardiovascular diseases: An OpenSAFELY cohort study.
Cezard, GI; Denholm, RE; Knight, R; Wei, Y; Teece, L; Toms, R; FORBES, HJ; Walker, AJ; Fisher, L; Massey, J; Hopcroft, LE M; Horne, EM F; Taylor, K; Palmer, T; Arab, MA; Cuitun Coronado, JI; Ip, SH Y; Davy, S; Dillingham, I; Bacon, S; Mehrkar, A; Morton, CE; Greaves, F; Hyams, C; Davey Smith, G; ... Longitudinal Health and Wellbeing and Data and Con,
Nature communications
Risk of fractures in half a million survivors of 20 cancers: a population-based matched cohort study using linked English electronic health records.
The lancet. Healthy longevity
Psychiatric comorbidities in epilepsy: population co-occurrence, genetic correlations and causal effects
Ahlqvist, VH; Dardani, C; Madley-Dowd, P; FORBES, H; Rast, J; Zhong, C; Gardner, RM; Dalman, C; Lyall, K; Newschaffer, C; Tomson, T; Lundberg, M; Berglind, D; Davies, NM; Lee, BK; Magnusson, C; Rai, D;
General Psychiatry
Implementing Germ Defence digital behaviour change intervention via all primary care practices in England to reduce respiratory infections during the COVID-19 pandemic: an efficient cluster randomised controlled trial using the OpenSAFELY platform.
Ainsworth, B; Horwood, J; Walter, SR; Miller, S; Chalder, M; De Vocht, F; Denison-Day, J; Elwenspoek, MM C; Curtis, HJ; Bates, C; Mehrkar, A; Bacon, S; GOLDACRE, B; OpenSAFELY Collaborative,; Craggs, P; Amlôt, R; Francis, N; Little, P; Macleod, J; Moore, M; Morton, K; Rice, C; Sterne, J; Stuart, B; Towler, L; ... Yardley, L.
Implementation science : IS
Ethnic differences in the indirect effects of the COVID-19 pandemic on clinical monitoring and hospitalisations for non-COVID conditions in England: a population-based, observational cohort study using the OpenSAFELY platform.
COSTELLO, RE; Tazare, J; Piehlmaier, D; HERRETT, E; Parker, EP K; ZHENG, B; Mansfield, KE; HENDERSON, AD; CARREIRA, H; BIDULKA, P; WONG, AY S; WARREN-GASH, C; Hayes, JF; Quint, JK; MacKenna, B; Mehrkar, A; EGGO, RM; Katikireddi, SV; TOMLINSON, L; LANGAN, SM; Mathur, R; LH&W NCS (or CONVALESCENCE) Collaborative,; OpenSAFELY collaborative,;
Trends and patterns of antiseizure medication prescribing during pregnancy between 1995 and 2018 in the United Kingdom: A cohort study.
Madley-Dowd, P; Rast, J; Ahlqvist, VH; Zhong, C; Martin, FZ; Davies, NM; Lyall, K; Newschaffer, C; Tomson, T; Magnusson, C; Rai, D; Lee, BK; FORBES, H;
BJOG : an international journal of obstetrics and gynaecology
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