Imperial College London


Faculty of MedicineSchool of Public Health

Professor of Public Health



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




311School of Public HealthWhite City 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. 



  • Co-Director, Global Master of Public Health (fully online degree)
  • Science Matters: Let’s Talk about Covid19, free online course link including module on community engagement in pandemic response


Vas Papageorgiou (LISS DTP): HIV, COVID-19 and health and well-being: a mixed-methods exploration of the impact of structural and social determinants (awarded 2023)

Flavien Coukan (ARC DTP): Understanding the barriers to and facilitators of access to HIV Pre-Exposure Prophylaxis among key populations in England

Matthew Whitaker (Research Assistant/ PhD student):Advanced statistical modelling of the COVID-19 epidemic

Richard Ma (NIHR Doctoral Research Fellow) Improving the effectiveness and equity of contraception provision in general practice (submitted 2023)

Theo Georgiou Delisle (Clinical Research Fellow): Implementation of the faecal immunochemical test in the diagnostic pathway for colorectal cancer: a mixed method study

Fernando Guntoro Large-scale multi-omics analysis of SARS-CoV-2 infection

Selected Publications

Journal Articles

Atchison C, Whitaker M, Donnelly C, et al., 2023, Characteristics and predictors of persistent symptoms post COVID-19 in children and young people: a large community cross-sectional study in England, Archives of Disease in Childhood, Vol:108, ISSN:0003-9888

Day S, Lury C, Ward H, 2023, Personalization: a new political arithmetic?, Distinktion, Vol:24, ISSN:1600-910X, Pages:167-194

Day S, Gleason K, Lury C, et al., 2023, 'In the picture': perspectives on living and working with cancer, Medical Humanities, Vol:49, ISSN:1468-215X, Pages:83-92

Atchison C, Moshe M, Brown J, et al., 2023, Validity of self-testing at home with rapid SARS-CoV-2 antibody detection by lateral flow immunoassay, Clinical Infectious Diseases, Vol:76, ISSN:1058-4838, Pages:658-666

Eales O, Page AJ, Tang SN, et al., 2023, The use of representative community samples to assess SARS-CoV-2 lineage competition: Alpha outcompetes Beta and wild-type in England from January to March 2021., Microbial Genomics, Vol:9, ISSN:2057-5858, Pages:1-14

Whitaker M, Elliott J, Bodinier B, et al., 2022, Variant-specific symptoms of COVID-19 in a study of 1,542,510 adults in England, Nature Communications, Vol:13, ISSN:2041-1723, Pages:1-10

Chadeau-Hyam M, Tang D, Eales O, et al., 2022, Omicron SARS-CoV-2 epidemic in England during February 2022: A series of cross-sectional community surveys, The Lancet Regional Health Europe, Vol:21, ISSN:2666-7762, Pages:1-11

Elliott P, Eales O, Bodinier B, et al., 2022, Dynamics of a national Omicron SARS-CoV-2 epidemic during January 2022 in England, Nature Communications, Vol:13, ISSN:2041-1723

Whitaker M, Elliott J, Chadeau M, et al., 2022, Persistent COVID-19 symptoms in a community study of 606,434 people in England, Nature Communications, Vol:13, ISSN:2041-1723

Elliott P, Eales O, Steyn N, et al., 2022, Twin peaks: the Omicron SARS-CoV-2 BA.1 and BA.2 epidemics in England

Chadeau-Hyam M, Wang H, Eales O, et al., 2022, SARS-CoV-2 infection and vaccine effectiveness in England (REACT-1): a series of cross-sectional random community surveys, The Lancet Respiratory Medicine, Vol:10, ISSN:2213-2600, Pages:355-366

Ward H, Whittaker M, Flower B, et al., 2022, Population antibody responses following COVID-19 vaccination in 212,102 individuals, Nature Communications, Vol:13, ISSN:2041-1723

Ward H, Flower B, Garcia PJ, et al., 2021, Global surveillance, research, and collaboration needed to improve understanding and management of long COVID, The Lancet, Vol:398, ISSN:0140-6736, Pages:2057-2059

Elliott P, Haw D, Wang H, et al., 2021, Exponential growth, high prevalence of SARS-CoV-2 and vaccine effectiveness associated with Delta variant, Science, Vol:374, ISSN:0036-8075, Pages:1-11

Udeh-Momoh C, Watermeyer T, Sindi S, et al., 2021, Health, lifestyle and psycho-social determinants of poor sleep quality during the Early Phase of the COVID-19 pandemic: a focus on UK older adults deemed clinically extremely vulnerable, Frontiers in Public Health, Vol:9, ISSN:2296-2565, Pages:1-11

Riley S, Ainslie KEC, Eales O, et al., 2021, Resurgence of SARS-CoV-2: detection by community viral surveillance, Science, Vol:372, ISSN:0036-8075, Pages:990-995

Ward H, Cooke GS, Atchison C, et al., 2021, Prevalence of antibody positivity to SARS-CoV-2 following the first peak of infection in England: Serial cross-sectional studies of 365,000 adults, The Lancet Regional Health - Europe, Vol:4, ISSN:2666-7762, Pages:1-7

Ward H, Atchison C, Whitaker M, et al., 2021, SARS-CoV-2 antibody prevalence in England following the first peak of the pandemic., Nature Communications, Vol:12, ISSN:2041-1723, Pages:1-8

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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