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P. Hardelid · SciRah

Researcher profile · Semantic Scholar

P. Hardelid

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P. Hardelid — researcher profile on SciRah

h-index: 28
Works: 208
Citations: 4,081

Most-cited papers

COVID-19 trajectories among 57 million adults in England: a cohort study using electronic health records
J. Thygesen, Christopher Tomlinson, S. Hollings, M. Mizani +287 more
2022The Lancet Digital Health68 citations Open access
Semantic Scholar
Prevalence of persistent symptoms in children during the COVID-19 pandemic: evidence from a household cohort study in England and Wales
F. Miller, V. Nguyen, A. Navaratnam, M. Shrotri +6 more
2021medRxiv62 citations Open access
Semantic Scholar
Prevalence and Characteristics of Persistent Symptoms in Children During the COVID-19 Pandemic: Evidence From a Household Cohort Study in England and Wales
F. Miller, V. Nguyen, A. Navaratnam, M. Shrotri +5 more
2022The Pediatric Infectious Disease Journal37 citations Open access
Semantic Scholar
Differential Risk of SARS-CoV-2 Infection by Occupation: Evidence from the Virus Watch prospective cohort study in England and Wales
S. Beale, S. Hoskins, T. Byrne, W. L. A. Fong +24 more
2021Journal of occupational medicine and toxicology31 citations Open access
Semantic Scholar
Trends, patterns and psychological influences on COVID-19 vaccination intention: Findings from a large prospective community cohort study in England and Wales (Virus Watch)
T. Byrne, P. Patel, M. Shrotri, S. Beale +27 more
2021medRxiv30 citations Open access
Semantic Scholar
Health outcomes, healthcare use and development in children born into or growing up in single-parent households: a systematic review study protocol
Irina Lut, Jenny Woodman, A. Armitage, Elizabeth Ingram +2 more
2021BMJ Open25 citations Open access
Semantic Scholar
Deprivation and exposure to public activities during the COVID-19 pandemic in England and Wales
S. Beale, I. Braithwaite, A. M. Navaratnam, P. Hardelid +13 more
2021Journal of Epidemiology and Community Health21 citations Open access
Semantic Scholar
Target Trial Emulation and Bias Through Missing Eligibility Data: An Application to a Study of Palivizumab for the Prevention of Hospitalization Due to Infant Respiratory Illness
Daniel Tompsett, A. Zylbersztejn, P. Hardelid, B. D. De Stavola
2022American Journal of Epidemiology14 citations Open access
Semantic Scholar
Clinical Impact of Serious Respiratory Disease in Children Under the Age of 2 Years During the 2021–2022 Bronchiolitis Season in England, Scotland, and Ireland
Thomas C. Williams, R. Marlow, P. Hardelid, M. Lyttle +4 more
2023Journal of Infectious Diseases13 citations Open access
Semantic Scholar
‘What about the dads?’ Linking fathers and children in administrative data: A systematic scoping review
Irina Lut, K. Harron, P. Hardelid, Meg O'Brien +1 more
2022Big Data & Society13 citations Open access
Semantic Scholar
Vascular and inflammatory diseases after COVID-19 infection and vaccination in children and young people in England: a retrospective, population-based cohort study using linked electronic health records.
A. Sampri, Wen Shi, T. Bolton, S. Ip +18 more
2025The Lancet Child & Adolescent Health12 citations Open access
Semantic Scholar
Cohort profile: Virus Watch: Understanding community incidence, symptom profiles, and transmission of COVID-19 in relation to population movement and behaviour
T. Byrne, J. Kovar, S. Beale, I. Braithwaite +26 more
2023medRxiv12 citations Open access
Semantic Scholar
Trends in hospital admissions during transition from paediatric to adult services for young people with learning disabilities or autism: Population-based cohort study
A. Zylbersztejn, P. Stilwell, Hannah Zhu, Viki Ainsworth +7 more
2022The Lancet Regional Health - Europe12 citations Open access
Semantic Scholar
Age specific trends in mortality disparities by socio-economic deprivation in small geographical areas of England, 2002-2018: A retrospective registry study
Lucy Kraftman, P. Hardelid, J. Banks
2021The Lancet Regional Health - Europe11 citations Open access
Semantic Scholar
Socioeconomic position, bronchiolitis and asthma in children: counterfactual disparity measures from a national birth cohort study
K. Lewis, B. D. De Stavola, S. Cunningham, P. Hardelid
2022International Journal of Epidemiology10 citations Open access
Semantic Scholar
Features of the transposed seasonality of the 2021 RSV epidemic in the UK and Ireland: analysis of the first 10 000 patients
D. Roland, T. Williams, M. Lyttle, R. Marlow +5 more
2022Archives of Disease in Childhood9 citations Open access
Semantic Scholar
Mental health impact of adverse housing conditions on children and young people: a systematic review
Jessica Mitchell, L. Ferguson, P. Symonds, P. Hardelid
2025Journal of Environmental Psychology8 citations Open access
Semantic Scholar
Vaccine effectiveness for prevention of covid-19 related hospital admission during pregnancy in England during the alpha and delta variant dominant periods of the SARS-CoV-2 pandemic: population based cohort study
Matthew L. Bosworth, Ryan Schofield, D. Ayoubkhani, Loes Charlton +10 more
2023BMJ Medicine8 citations Open access
Semantic Scholar
Identifying opportunities for upstream evaluations relevant to child and maternal health: a UK policy-mapping review
Emma Stewart, A. Pearce, J. Given, Ruth Gilbert +7 more
2023Archives of Disease in Childhood8 citations Open access
Semantic Scholar
Exploring the feasibility, acceptability and impact of genomic newborn screening for rare diseases in England: A study protocol for the Generation Study - Process and Impact Evaluation
C. Lewis, F. Boardman, J. Buchanan, S. Clark +11 more
2024medRxiv6 citations Open access
Semantic Scholar
Uptake of intra‐muscular vitamin K administration after birth: A national cohort study
Susan Brunton, L. Fenton, P. Hardelid, Thomas C. Williams
2024Acta paediatrica5 citations Open access
Semantic Scholar
Symptom profiles and accuracy of clinical case definitions for COVID-19 in a community cohort: results from the Virus Watch study
E. Fragaszy, M. Shrotri, C. Geismar, A. Aryee +15 more
2022Wellcome Open Research5 citations Open access
Semantic Scholar
SARS-CoV-2 tests, confirmed infections and COVID-19-related hospital admissions in children and young people: birth cohort study
P. Hardelid, G. Favarato, L. Wijlaars, L. Fenton +8 more
2022BMJ Paediatrics Open5 citations Open access
Semantic Scholar
Factors predicting amoxicillin prescribing in primary care among children: a cohort study
Faith Miller, A. Zylbersztejn, G. Favarato, I. Adamestam +5 more
2022The British journal of general practice : the journal of the Royal College of General Practitioners4 citations Open access
Semantic Scholar
Using administrative data to evaluate national policy impacts on child and maternal health: a research framework from the Maternal and Child Health Network (MatCHNet)
E. Stewart, S. Brophy, R. Cookson, Ruth Gilbert +7 more
2023Journal of Epidemiology and Community Health3 citations Open access
Semantic Scholar
Delay in death registration among adolescents and young adults in England and Wales.
J. Ward, A. Zylbersztejn, P. Hardelid, R. Viner
2022The Lancet Child & Adolescent Health3 citations
Semantic Scholar
Changes in mobility pre and post first SARS-CoV-2 vaccination: findings from a prospective community cohort study including GPS movement tracking in England and Wales (Virus Watch)
V. Nguyen, Y. Liu, R. Mumford, B. Flanagan +17 more
2021medRxiv3 citations Open access
Semantic Scholar
Educational Attainment of Children With Major Congenital Anomalies During Primary School in England: A Population Cohort Study
Joachim Tan, Ayana Cant, K. Lewis, V. Nguyen +7 more
2025medRxiv2 citations Open access
Semantic Scholar
Housing tenure and early-life acute lower respiratory tract infection admissions in two national Scottish birth cohorts
C. Hart, S. Hajna, B. D. De Stavola, Ai Milojevic +3 more
2025BMJ public health2 citations Open access
Semantic Scholar
School-recorded special educational needs provision in children with major congenital anomalies: A linked administrative records study of births in England, 2003-2013
Maria Peppa, K. Lewis, B. D. De Stavola, P. Hardelid +1 more
2025International Journal of Population Data Science2 citations Open access
Semantic Scholar
Parental migration, socioeconomic deprivation and hospital admissions in preschool children in England: national birth cohort study, 2008 to 2014
Kate M. Lewis, R. Burns, Mario Cortina-Borja, Anja Heilmann +7 more
2024BMC Medicine2 citations Open access
Semantic Scholar
Nucleocapsid and spike antibody responses following virologically conﬁrmed SARS-CoV-2 infection: an observational analysis in the Virus Watch community cohort
A. Navaratnam, M. Shrotri, V. Nguyen, I. Braithwaite +27 more
20222 citations
Semantic Scholar
Air pollution and the risk of bronchiolitis-related hospital admission in a birth cohort of over 400,000 children born in London
A. Rammah, B. D. De Stavola, S. Hajna, Jonathon Taylor +6 more
2026Environmental Epidemiology1 citations Open access
Semantic Scholar
Towards cleaner air: PM2.5 exposure and disparities around childcare providers in England
Joana Cruz, Guang-Quan Li, A. Rammah, Jian Zhong +11 more
2026Environmental Research1 citations Open access
Semantic Scholar
Paediatric infection hospital admissions in England before, during, and after the COVID-19 pandemic
C. Jackson, L. Wijlaars, F. Abdullahi, Meng-Yun Liu +5 more
2026Epidemiology and Infection1 citations Open access
Semantic Scholar
Cleaning and validating longitudinal maternal and child postcode histories from a national healthcare registry for environmental health research in London, UK
P. Hardelid, G. Atilola, A. Rammah, B. D. De Stavola +8 more
2026International Journal of Population Data Science1 citations Open access
Semantic Scholar
Kids’ Environment and Health Cohort: Database Protocol: supplementary appendix
Selin Akaraci, Alison Macfarlane, A. Rammah, Emilie Courtin +12 more
2025International Journal of Population Data Science1 citations Open access
Semantic Scholar
High-resolution mapping of residential wood burning heat sources using Energy Performance Certificates: A case study of England and Wales
Laura J Horsfall, Calum Kennedy, Nicola Shelton, Jonathon Taylor +4 more
2025Environment International1 citations Open access
Semantic Scholar
Educational outcomes of children with major congenital anomalies: Study protocol for a population-based cohort study using linked hospital and education data from England
Joachim Tan, Ayana Cant, K. Lewis, V. Nguyen +6 more
2024NIHR Open Research1 citations Open access
Semantic Scholar
Estimating the household secondary attack rate and serial interval of COVID-19 using social media
Aarzoo Dhiman, E. Yom-Tov, L. Pellis, Michael Edelstein +33 more
2024npj Digital Medicine1 citations Open access
Semantic Scholar
Housing Characteristics and Hospital Admissions due to Falls on Stairs: A National Birth Cohort Study.
C. Simpson, K. Lewis, Jonathon Taylor, S. Hajna +3 more
2024Jornal de Pediatria1 citations Open access
Semantic Scholar
Tracking Changes in Mobility Before and After the First SARS-CoV-2 Vaccination Using Global Positioning System Data in England and Wales (Virus Watch): Prospective Observational Community Cohort Study
V. Nguyen, Yun-Zhe Liu, R. Mumford, B. Flanagan +16 more
2023JMIR Public Health and Surveillance1 citations Open access
Semantic Scholar
787 Mortality among migrant children and young people (CYP): results from a systematic review
A. Armitage, M. Marcolin, Irina Lut, P. Hardelid +1 more
2023British Association of Child and Adolescent Public Health1 citations
Semantic Scholar
Uptake of intramuscular vitamin K administration after birth and maternal and infant demographic variables: a national cohort study
S. Brunton, L. Fenton, P. Hardelid, T. Williams
2023medRxiv1 citations Open access
Semantic Scholar
The Kids’ Environment and Health Cohort: a national, linked data resource for environmental child health research
A. Baird, Emilie Courtin, Steven Cummins, S. Hajna +4 more
2023International Journal of Population Data Science1 citations Open access
Semantic Scholar
Establishing risk factors and outcomes for congenital hypothyroidism with gland in situ using population-based data linkage methods: study protocol
Milagros Ruiz Nishiki, M. Cabecinha, R. Knowles, Catherine Peters +6 more
2022BMJ Paediatrics Open1 citations Open access
Semantic Scholar
Estimating hospital admissions due to respiratory syncytial virus in children.
P. Hardelid, R. Reeves
2022Lancet. Infectious Diseases (Print)1 citations Open access
Semantic Scholar
Linking fathers and children in administrative data for public health research: A systematic scoping review.
Irina Lut, K. Harron, P. Hardelid, Meg O'Brien +1 more
2021International Journal of Population Data Science1 citations Open access
Semantic Scholar
Risk of SARS-CoV-2 testing, PCR-confirmed infections and COVID-19-related hospital admissions in children and young people: birth cohort study
P. Hardelid, G. Favarato, L. Wijlaars, L. Fenton +8 more
2021medRxiv1 citations Open access
Semantic Scholar
Population-based observational study of mental health service use among children and young people using English National Health Service dataset
Niloofar Shoari, K. Lewis, Ruth M. Blackburn, Benjamin Ritchie +4 more
2026BMJ Connections Mental Health0 citations Open access
Semantic Scholar

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