Imperial College London


Faculty of MedicineSchool of Public Health

Professor of Public Health



+44 (0)20 7594 3303h.ward Website




158Norfolk PlaceSt Mary's Campus





Helen Ward trained in Medicine at Sheffield University, is Clinical Professor of Public Health at Imperial College London and an NIHR Senior Investigator. Her research is on the epidemiology and control of infectious diseases, including HIV, sexually transmitted infections and SARS-CoV-2. She leads on public and patient involvement in research at Imperial, and conducts collaborative research on translational medicine. 


REACT  Realtime Assessment of Community Transmission of SARS-CoV-2 DHSC, 2020-2022. See videos explaining the REACT-1 and REACT-2 studies, REACT-Long COVID UKRI/MRC and NIHR, 2021-2024v video.  REACT-GE Genomics England, 2021-2022 

'People Like You'; contemporary figures of personalisation Wellcome Trust Collaborative Award, 2018-2022 . Watch a video about the project and work of three artists in residence

NIHR Imperial BRC Patient Experience Research Centre (2011- ongoing)

NIHRImperial Biomedical Research Centre 2017-2022 (Executive Committee)

NIHR Applied Research Collaboration North West London 2019-2024 (Theme lead, Patient, public, community engagement and involvement)


Co-Director Patient Experience Research Centre 

Follow this link to a podcast and videos on public involvement.


Full list and open access links here

Whitaker M et al. Persistent COVID-19 symptoms in a community study of 606,434 people in England Nat Commun 2022 

Elliott P et al. Rapid increase in Omicron infections in England during December 2021: REACT-1 study. Science 2022, eabn8347.

Ward H et al. Population antibody responses following COVID-19 vaccination in 212,102 individuals Nature Commun 2022;13,907.

Viney W et al. Personalising clinical pathways in a London Breast Cancer Service. Sociol Health Ill 2022 DOI: 10.1111/1467-9566.13441

Chadeau-Hyam M, et al. High and increasing prevalence of SARS-CoV-2 infection among school-aged children in England during September 2021, vaccine effectiveness and breakthrough infections: REACT-1 study Lancet Resp Medicine 2022 S2213-2600(21)00542-7

Papageorgiou V et al. Influence of material deprivation on clinical outcomes among people living with HIV in high-income countries: a systematic review and meta-analysis. AIDS Behav 2021

O'Mahoney L et al.  Understanding and tracking the impact of Long COVID in the United Kingdom. Nat Med 28, 11–15 (2022).

Ward H et al. Global surveillance, research, and collaboration needed to improve understanding and management of long COVID. The Lancet 2021.  Doi: /10.1016/ S0140-6736(21)02444-2

Elliott P et al. Exponential growth, high prevalence of SARS-CoV-2, and vaccine effectiveness associated with Delta variant. Science 2021. Nov 2:eabl9551. doi: 10.1126/ science.abl9551. 

Elliott J et al. Predictive symptoms for COVID-19 in the community: REACT-1 study of over 1 million people. PLoS Med. 2021 Sep 28;18(9):e1003777. doi: 10.1371/journal.pmed.1003777. PMID: 34582457; PMCID: PMC8478234

Ward H et al. Prevalence of antibody positivity to SARS-CoV-2 following the first peak of infection in England: Serial cross-sectional studies of 365,000 adults. Lancet Reg Health Eur. 2021 May;4:100098. doi: 10.1016/j.lanepe.2021.100098.

Riley S et al. Resurgence of SARS-CoV-2: Detection by community viral surveillance. Science. 2021 May 28;372(6545):990-995. doi: 10.1126/science.abf0874.  

Moshe M et al. SARS-CoV-2 lateral flow assays for possible use in national covid-19 seroprevalence surveys (React 2): diagnostic accuracy study. BMJ. 2021 Mar 2;372:n423. doi: 10.1136/bmj.n423.

Ward H, Atchison C, Whitaker M. et al. SARS-CoV-2 antibody prevalence in England following the first peak of the pandemic. Nat Commun 2021;12,905.

Day S et al. Past-Futures in Experimental Care: Breast Cancer and HIV Medicine. New Genetics and Society 2021. 10.1080/14636778.2020.1861542

Bruton J et al. Enabling participation of Black and Minority Ethnic (BME) and seldom-heard communities in health research: A case study from the SCAMP adolescent cohort study. Research for All 2020, 4 (2): 207–219.

Robb CE et al. Impact of social isolation on anxiety and depression during the early COVID-19 pandemic: a survey of older adults in London, UK. Frontiers in Psychiatry 2020;11:591120

Atchison C et al. Acceptability and usability study of in home self-testing for SARS-CoV-2 antibodies in a population-based sample of the UK adult population Clinical Infectious Diseases 2020;ciaa1178.

Flower B, et al. Clinical and Laboratory Evaluation of SARS-CoV-2 Lateral Flow Assays for use in a national COVID-19 sero-prevalence survey Thorax, 2020: thoraxjnl-2020-215732.


Co-Director, Global Master of Public Health (fully online degree)

Global Disease Masterclass Specialisation (GMPH)

Participatory methods for Public Health Specialisation (GMPH)

Science Matters: Let’s Talk about Covid19, free online course link including module on community engagement in pandemic response


Vas Papageorgiou (LISS DTP)

Flavien Coukan (ARC DTP)

Matthew Whitaker, Research Assistant/ PhD student

Theo Georgiou Delisle, Visiting Clinical Research Fellow/ PhD student


Old Oak and Park Royal Development Corporation (OPDC), a London Mayoral body overseeing the UK's largest regeneration project. Board member (2018 - 2022)

Selected Publications

Journal Articles

Atchison C, Pristerà P, Cooper E, et al., 2020, Usability and acceptability of home-based self-testing for Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) antibodies for population surveillance, Clinical Infectious Diseases, Vol:2020, ISSN:1058-4838, Pages:1-10

Flower B, Brown JC, Simmons B, et al., 2020, Clinical and laboratory evaluation of SARS-CoV-2 lateral flow assays for use in a national COVID-19 sero-prevalence survey, Thorax, Vol:75, ISSN:0040-6376, Pages:1082-1088

Ward H, Garnett GP, Mayer KH, et al., 2019, Maximizing the impact of HIV prevention technologies in sub‐Saharan Africa, Journal of the International AIDS Society, Vol:22, ISSN:1758-2652

Rai T, Bruton P, Day S, et al., 2018, From activism to secrecy: contemporary experiences of living with HIV in London in people diagnosed from 1986 to 2014, Health Expectations, Vol:21, ISSN:1369-6513, Pages:1134-1141

Pufall EL, Kall M, Shahmanesh M, et al., 2018, Sexualized drug use ('chemsex') and high-risk sexual behaviours in HIV-positive men who have sex with men, HIV Medicine, Vol:19, ISSN:1464-2662, Pages:261-270

Davies B, Turner KME, Frolund M, et al., 2018, Pelvic inflammatory disease risk following negative results from chlamydia nucleic acid amplification tests (NAATs) versus non-NAATs in Denmark: A retrospective cohort study, PLOS Medicine, Vol:15, ISSN:1549-1277

McGrath-Lone L, Ward H, Schoenborn C, et al., 2015, The effects of cancer research participation on patient experience: a mixed-methods analysis., European Journal of Cancer Care, Vol:25, ISSN:1365-2354, Pages:1056-1064

Rönn M, White PJ, Hughes G, et al., 2014, Developing a Conceptual Framework of Seroadaptive Behaviors in HIV-Diagnosed Men Who Have Sex With Men, Journal of Infectious Diseases, Vol:210, ISSN:1537-6613, Pages:S586-S593

Kim S-H, Gerver SM, Fidler S, et al., 2014, Adherence to antiretroviral therapy in adolescents living with HIV: systematic review and meta-analysis, AIDS, Vol:28, ISSN:0269-9370, Pages:1945-1956

Elmahdi R, Gerver SM, Guillen GG, et al., 2014, Low levels of HIV test coverage in clinical settings in the UK: a systematic review of adherence to 2008 guidelines, Sexually Transmitted Infections, Vol:90, ISSN:1368-4973, Pages:119-124

Ward H, 2007, Prevention strategies for sexually transmitted infections: importance of sexual network structure and epidemic phase, Sexually Transmitted Infections, Vol:83, ISSN:1368-4973, Pages:I43-I49

Ward H, Ison CA, Day SE, et al., 2000, A prospective social and molecular investigation of gonococcal transmission, The Lancet, Vol:356, ISSN:0140-6736, Pages:1812-1817

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