All Stories

  1. Disentangling the drivers of heterogeneity in SARS-CoV-2 transmission from data on viral load and daily contact rates

    Article • PLoS Computational Biology, August 2026, PLOS

    Lloyd Chapman

  2. Inferring the regional distribution of Visceral Leishmaniasis incidence from data at different spatial scales

    Article • Communications Medicine, November 2024, Springer Science + Business Media

    Lloyd Chapman

  3. Disentangling the drivers of heterogeneity in SARS-CoV-2 transmission from data on viral load and daily contact rates

    Article • August 2024, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  4. Demographic characteristics and clinical features of patients presenting with different forms of cutaneous leishmaniasis, in Lay Gayint, Northern Ethiopia

    Article • PLoS Neglected Tropical Diseases, August 2024, PLOS

    Lloyd Chapman

  5. The Hidden Hand of Asymptomatic Infection Hinders Control of Neglected Tropical Diseases: A Modeling Analysis

    Article • Clinical Infectious Diseases, April 2024, Oxford University Press (OUP)

    Professor Deirdre Hollingsworth, Lloyd Chapman

  6. Demographic characteristics and prevalence of asymptomatic Leishmania donovani infection in migrant workers working in an endemic area in Northwest Ethiopia

    Article • Frontiers in Epidemiology, April 2024, Frontiers

    Lloyd Chapman

  7. Demographic characteristics and clinical features of patients presenting with different forms of cutaneous leishmaniasis, in Lay Gayint, Northern Ethiopia

    Article • February 2024, openRxiv

    Lloyd Chapman

  8. Predicting subnational incidence of COVID-19 cases and deaths in EU countries

    Article • BMC Infectious Diseases, February 2024, Springer Science + Business Media

    Lloyd Chapman

  9. Combined analyses of within-host SARS-CoV-2 viral kinetics and information on past exposures to the virus in a human cohort identifies intrinsic differences of Omicron and Delta variants

    Article • PLoS Biology, January 2024, PLOS

    Lloyd Chapman

  10. Demographic characteristics and prevalence of asymptomatic Leishmania donovani infection in migrant workers working in an endemic area in Northwest Ethiopia

    Article • January 2024, openRxiv

    Lloyd Chapman

  11. Impact of vaccinations, boosters and lockdowns on COVID-19 waves in French Polynesia

    Article • Nature Communications, November 2023, Springer Science + Business Media

    Lloyd Chapman

  12. The hidden hand of asymptomatic infection hinders control of neglected tropical diseases

    Article • October 2023, Cold Spring Harbor Laboratory Press

    Professor Deirdre Hollingsworth, Lloyd Chapman

  13. Predicting subnational incidence of COVID-19 cases and deaths in EU countries

    Article • August 2023, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  14. Within-host SARS-CoV-2 viral kinetics informed by complex life course exposures reveals different intrinsic properties of Omicron and Delta variants

    Article • May 2023, openRxiv

    Lloyd Chapman

  15. Impact of vaccinations, boosters and lockdowns on COVID-19 waves in French Polynesia

    Article • April 2023, Research Square

    Lloyd Chapman

  16. Impact of vaccinations, boosters and lockdowns on COVID-19 waves in French Polynesia

    Article • March 2023, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  17. Cutaneous leishmaniasis in a newly established treatment centre in the Lay Gayint district, Northwest Ethiopia

    Article • Skin Health and Disease, March 2023, Wiley

    Endalew Yizengaw Shita, Lloyd Chapman

  18. Seroprevalence of SARS-CoV-2 Antibodies in French Polynesia and Perspective for Vaccine Strategies

    Article • December 2022, MDPI AG

    Lloyd Chapman

  19. Challenges of using modelling evidence in the visceral leishmaniasis elimination programme in India

    Article • PLOS Global Public Health, November 2022, PLOS

    Natalie Dial, Lloyd Chapman

  20. Modelling the medium-term dynamics of SARS-CoV-2 transmission in England in the Omicron era

    Article • Nature Communications, August 2022, Springer Science + Business Media

    Lloyd Chapman

  21. Correction: A spatio-temporal approach to short-term prediction of visceral leishmaniasis diagnoses in India

    Article • PLoS Neglected Tropical Diseases, April 2022, PLOS

    Lloyd Chapman

  22. Impact of intensified control on visceral leishmaniasis in a highly-endemic district of Bihar, India: An interrupted time series analysis

    Article • Epidemics, April 2022, Elsevier

    Professor Deirdre Hollingsworth, Lloyd Chapman

  23. Changes in social contacts in England during the COVID-19 pandemic between March 2020 and March 2021 as measured by the CoMix survey: A repeated cross-sectional study

    Article • PLoS Medicine, March 2022, PLOS

    Lloyd Chapman

  24. Risk factor targeting for vaccine prioritization during the COVID-19 pandemic

    Article • Scientific Reports, February 2022, Springer Science + Business Media

    Lloyd Chapman

  25. Comparative assessment of methods for short-term forecasts of COVID-19 hospital admissions in England at the local level

    Article • BMC Medicine, February 2022, Springer Science + Business Media

    Lloyd Chapman

  26. Unexposed populations and potential COVID-19 hospitalisations and deaths in European countries as per data up to 21 November 2021

    Article • Eurosurveillance, January 2022, European Centre for Disease Control and Prevention (ECDC)

    Lloyd Chapman

  27. Estimating the increase in reproduction number associated with the Delta variant using local area dynamics in England

    Article • December 2021, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  28. Unexposed populations and potential COVID-19 burden in European countries as of 21st November 2021

    Article • November 2021, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  29. Addendum needed on COVID-19 travel study – Authors' reply

    Article • The Lancet Infectious Diseases, November 2021, Elsevier

    Lloyd Chapman

  30. Comparative assessment of methods for short-term forecasts of COVID-19 hospital admissions in England at the local level

    Article • October 2021, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  31. Routine asymptomatic testing strategies for airline travel during the COVID-19 pandemic: a simulation study

    Article • The Lancet Infectious Diseases, July 2021, Elsevier

    Lloyd Chapman

  32. CoMix: Changes in social contacts as measured by the contact survey during the COVID-19 pandemic in England between March 2020 and March 2021

    Article • May 2021, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  33. Strengthening data collection for neglected tropical diseases: What data are needed for models to better inform tailored intervention programmes?

    Article • PLoS Neglected Tropical Diseases, May 2021, PLOS

    Professor Deirdre Hollingsworth, Lloyd Chapman

  34. Comparison of infection control strategies to reduce COVID-19 outbreaks in homeless shelters in the United States: a simulation study

    Article • BMC Medicine, May 2021, Springer Science + Business Media

    Lloyd Chapman

  35. Development and Evaluation of Active Case Detection Methods to Support Visceral Leishmaniasis Elimination in India

    Article • Frontiers in Cellular and Infection Microbiology, March 2021, Frontiers

    Lloyd Chapman

  36. Optimizing Village-Level Targeting of Active Case Detection to Support Visceral Leishmaniasis Elimination in India

    Article • Frontiers in Cellular and Infection Microbiology, March 2021, Frontiers

    Lloyd Chapman

  37. Comparison of COVID-19 vaccine prioritization strategies in the United States

    Article • March 2021, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  38. Visceral leishmaniasis outbreaks in Bihar: community-level investigations in the context of elimination of kala-azar as a public health problem

    Article • Parasites & Vectors, January 2021, Springer Science + Business Media

    Lloyd Chapman

  39. Routine asymptomatic testing strategies for airline travel during the COVID-19 pandemic: a simulation analysis

    Article • December 2020, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  40. Influenza, Varicella, and Mumps Outbreaks in US Migrant Detention Centers

    Article • JAMA, October 2020, American Medical Association (AMA)

    Lloyd Chapman

  41. Frequency of Routine Testing for Coronavirus Disease 2019 (COVID-19) in High-risk Healthcare Environments to Reduce Outbreaks

    Article • Clinical Infectious Diseases, October 2020, Oxford University Press (OUP)

    Lloyd Chapman

  42. Comparison of infection control strategies to reduce COVID-19 outbreaks in homeless shelters in the United States: a simulation study

    Article • September 2020, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  43. Estimating how far and fast visceral leishmaniasis spreads around cases

    Article • Proceedings of the National Academy of Sciences, September 2020, Proceedings of the National Academy of Sciences

    Professor Deirdre Hollingsworth, Lloyd Chapman

  44. A spatio-temporal approach to short-term prediction of visceral leishmaniasis diagnoses in India

    Article • PLoS Neglected Tropical Diseases, July 2020, PLOS

    Lloyd Chapman

  45. Frequency of routine testing for COVID-19 in high-risk healthcare environments to reduce outbreaks

    Article • May 2020, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  46. Developments in statistical inference when assessing spatiotemporal disease clustering with the tau statistic

    Article • Spatial Statistics, March 2020, Elsevier

    Professor Deirdre Hollingsworth, Lloyd Chapman

  47. Inferring transmission trees to guide targeting of interventions against visceral leishmaniasis and post-kala-azar dermal leishmaniasis

    Article • February 2020, Cold Spring Harbor Laboratory Press

    Professor Deirdre Hollingsworth, Lloyd Chapman

  48. Routine Asymptomatic Testing Strategies for Airline Travel During the COVID-19 Pandemic: A Simulation Analysis

    Article • SSRN Electronic Journal, January 2020, Elsevier

    Lloyd Chapman

  49. Impact of Intensified Control Strategies on Incidence of Visceral Leishmaniasis in a Highly Endemic District of Bihar, India

    Article • SSRN Electronic Journal, January 2020, Elsevier

    Lloyd Chapman

  50. Insights from mathematical modelling and quantitative analysis on the proposed WHO 2030 targets for visceral leishmaniasis on the Indian subcontinent

    Article • Gates Open Research, October 2019, Faculty of 1000, Ltd.

    Professor Deirdre Hollingsworth, Lloyd Chapman

  51. A Spatio-temporal Approach to Short-Term Prediction of Visceral Leishmaniasis Diagnoses in India

    Article • October 2019, Cold Spring Harbor Laboratory Press

    Lloyd Chapman

  52. Correction: Estimating the efficacy of community-wide use of systemic insecticides in dogs to control zoonotic visceral leishmaniasis: A modelling study in a Brazilian scenario

    Article • PLoS Neglected Tropical Diseases, May 2019, PLOS

    Lloyd Chapman

  53. Correction: Age trends in asymptomatic and symptomatic Leishmania donovani infection in the Indian subcontinent: A review and analysis of data from diagnostic and epidemiological studies

    Article • PLoS Neglected Tropical Diseases, February 2019, PLOS

    Lloyd Chapman

  54. Age trends in asymptomatic and symptomatic Leishmania donovani infection in the Indian subcontinent: A review and analysis of data from diagnostic and epidemiological studies

    Article • PLoS Neglected Tropical Diseases, December 2018, PLOS

    Professor Deirdre Hollingsworth, Lloyd Chapman

  55. Quantifying the Infectiousness of Post-Kala-Azar Dermal Leishmaniasis Toward Sand Flies

    Article • Clinical Infectious Diseases, October 2018, Oxford University Press (OUP)

    Lloyd Chapman

  56. The role of case proximity in transmission of visceral leishmaniasis in a highly endemic village in Bangladesh

    Article • PLoS Neglected Tropical Diseases, October 2018, PLOS

    Professor Deirdre Hollingsworth, Lloyd Chapman

  57. Estimating the efficacy of community-wide use of systemic insecticides in dogs to control zoonotic visceral leishmaniasis: A modelling study in a Brazilian scenario

    Article • PLoS Neglected Tropical Diseases, September 2018, PLOS

    Lloyd Chapman

  58. Policy Recommendations From Transmission Modeling for the Elimination of Visceral Leishmaniasis in the Indian Subcontinent

    Article • Clinical Infectious Diseases, June 2018, Oxford University Press (OUP)

    Professor Deirdre Hollingsworth, Lloyd Chapman

  59. Deciphering the Role of Post-Kala-Azar Dermal Leishmaniasis Patients in the Transmission of Leishmania Donovani: Implications for the Kala-Azar Elimination Program

    Article • SSRN Electronic Journal, January 2018, Elsevier

    Lloyd Chapman

  60. Variations in visceral leishmaniasis burden, mortality and the pathway to care within Bihar, India

    Article • Parasites & Vectors, December 2017, Springer Science + Business Media

    Professor Deirdre Hollingsworth, Lloyd Chapman

  61. Mathematical modelling of cell layer growth in a hollow fibre bioreactor

    Article • Journal of Theoretical Biology, April 2017, Elsevier

    Lloyd Chapman

  62. Elimination of visceral leishmaniasis in the Indian subcontinent: a comparison of predictions from three transmission models

    Article • Epidemics, March 2017, Elsevier

    Professor Deirdre Hollingsworth, Lloyd Chapman

  63. Longitudinal Study of Transmission in Households with Visceral Leishmaniasis, Asymptomatic Infections and PKDL in Highly Endemic Villages in Bihar, India

    Article • PLoS Neglected Tropical Diseases, December 2016, PLOS

    Lloyd Chapman

  64. Understanding the transmission dynamics of Leishmania donovani to provide robust evidence for interventions to eliminate visceral leishmaniasis in Bihar, India

    Article • Parasites & Vectors, January 2016, Springer Science + Business Media

    Professor Deirdre Hollingsworth, Lloyd Chapman

  65. Quantitative analyses and modelling to support achievement of the 2020 goals for nine neglected tropical diseases

    Article • Parasites & Vectors, December 2015, Springer Science + Business Media

    Professor Deirdre Hollingsworth, Lloyd Chapman, Professor Maria-Gloria Basáñez, Jeffrey Townsend

  66. Quantification of the natural history of visceral leishmaniasis and consequences for control

    Article • Parasites & Vectors, October 2015, Springer Science + Business Media

    Professor Deirdre Hollingsworth, Lloyd Chapman

  67. Optimising Cell Aggregate Expansion in a Perfused Hollow Fibre Bioreactor via Mathematical Modelling

    Article • PLOS One, August 2014, PLOS

    Lloyd Chapman

  68. The Role of Inflammation Resolution Speed in Airway Smooth Muscle Mass Accumulation in Asthma: Insight from a Theoretical Model

    Article • PLOS One, March 2014, PLOS

    Oliver Jensen, Igor Chernyavsky, Lloyd Chapman

  69. Homogenization via formal multiscale asymptotics and volume averaging: How do the two techniques compare?

    Article • Advances in Water Resources, December 2013, Elsevier

    Lloyd Chapman

  70. Posttraumatic Stress Symptoms in Children after Mild to Moderate Pediatric Trauma: A Longitudinal Examination of Symptom Prevalence, Correlates, and Parent-Child Symptom Reporting

    Article • Journal of Trauma and Acute Care Surgery, February 2005, Wolters Kluwer Health

    Lloyd Chapman