Joanna Ellis

Government of the United Kingdom - Public Health England

Wellington House

133-155 Waterloo Road

London, SE1 8UG

United Kingdom

SCHOLARLY PAPERS

8

DOWNLOADS

997

SSRN CITATIONS

9

CROSSREF CITATIONS

1

Scholarly Papers (8)

1.

Community Transmission and Viral Load Kinetics of SARS-CoV-2 Delta (B.1.617.2)Variant in Vaccinated and Unvaccinated Individuals

Number of pages: 46 Posted: 06 Sep 2021
Imperial College London - Section of Adult Infectious Disease, Imperial College London, Public Health England - Emerging Infections and Zoonoses Unit, Imperial College London, Imperial College London - London BiofoundryImperial College London - Section of Structural and Synthetic Biology, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Public Health England Colindale, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Government of the United Kingdom - Public Health England, affiliation not provided to SSRN, Government of the United Kingdom - Public Health England Colindale, Government of the United Kingdom - Public Health England, Virus Reference Department, Public Health England, Imperial College London - Section of Virology, Imperial College London - London Biofoundry, Imperial College London - Section of Virology, The University of Manchester - Manchester University NHS Foundation Trust, Public Health England - Virus Reference Department, Imperial College London - MRC Centre for Global Infectious Disease Analysis and Imperial College London
Downloads 528 (91,791)
Citation 4

Abstract:

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SARS-CoV-2, transmission, viral kinetics, breakthrough infection, vaccination

2.

Association of Age, Gender, Deprivation, Urbanicity, Ethnicity, and Smoking with a Positive Test for COVID-19 in an English Primary Care Surveillance Network: Cross Sectional Study of the First 500 Cases

Number of pages: 20 Posted: 12 May 2020
University of Oxford, University of Oxford - Nuffield Department of Primary Care Health Sciences, University College London - Institute for Global Health, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, Public Health England - Immunisation and Countermeasures Division, Public Health England Colindale, University of Oxford - Nuffield Department of Primary Care Health Sciences, UK Health Security Agency - COVID-19 National Epidemiology Cell, UK Health Security Agency, Government of the United Kingdom - Public Health England, University of Oxford - Nuffield Department of Primary Care Health Sciences, Public Health England Colindale, University of Oxford - Nuffield Department of Primary Care Health Sciences, Public Health England - Immunisation, Hepatitis, and Blood Safety Department, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, Royal College of General Practitioners - Royal College of General Practitioners (RCGP) Research and Surveillance Centre (RSC), Public Health England - Virus Reference Department, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences and University of Oxford - Nuffield Department of Primary Care Health Sciences
Downloads 98 (455,344)
Citation 3

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General practice; medical record systems; computerized; sentinel surveillance; coronavirus; infections; pandemics

3.

Secondary Attack Rates in Primary and Secondary School Bubbles Following a Confirmed Case: Active, Prospective National Surveillance, November to December 2020, England

Number of pages: 24 Posted: 03 Sep 2021
Public Health England - Immunisation and Countermeasures Division, Public Health England, Government of the United Kingdom - Public Health England Colindale, East London NHS Foundation Trust, Derbyshire Healthcare NHS Foundation Trust, The University of Manchester - Manchester University NHS Foundation Trust, Birmingham Community Healthcare NHS Trust, Oxford University Hospitals NHS Foundation Trust, Oxford University Hospitals NHS Foundation Trust, Government of the United Kingdom - Public Health England Colindale, London School of Hygiene & Tropical Medicine - Faculty of Public Health and Policy, Department of Non-Communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London School of Hygiene and Tropical Medicine, London School of Hygiene and Tropical Medicine, London School of Hygiene and Tropical Medicine, London School of Hygiene & Tropical Medicine - Department of Disease Control, London School of Hygiene & Tropical Medicine - Faculty of Infectious and Tropical Diseases, Office for National Statistics, Office for National Statistics, Public Health England - Immunisation and Countermeasures Division, Public Health England Colindale, Public Health England - Virus Reference Department, Public Health England, Blood Borne Virus Unit, National Infection Service, Colindale Public Health England, Virus Reference Department, Public Health England, Government of the United Kingdom - Public Health England, Public Health England, Office for National Statistics, Public Health England - Immunisation, Hepatitis, and Blood Safety Department and Public Health England - Immunisation and Countermeasures Division
Downloads 97 (458,383)

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COVID-19; SARS-CoV-2; Schools; Transmission; Contacts; Testing; Secondary Attack Rate

4.

The Impact of Social and Physical Distancing Measures on COVID-19 Activity in England

Number of pages: 37 Posted: 08 Jul 2020
Public Health England Colindale, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, Public Health England - Immunisation and Countermeasures Division, Government of the United Kingdom - Public Health England, University College London - Department of Computer Science, Public Health England Colindale, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, Public Health England - Virus Reference Department, University of Oxford - Nuffield Department of Primary Care Health Sciences, Public Health England, Public Health England - Immunisation and Countermeasures Division, Public Health England Colindale, Public Health England - Immunisation and Countermeasures Division, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, UK Health Security Agency and Public Health England - Immunisation, Hepatitis, and Blood Safety Department
Downloads 90 (480,918)

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social distancing; non-pharmaceutical interventions; lockdown; surveillance; Covid19; coronavirus

5.

High Prevalence of SARS-CoV-2 Antibodies in Care Homes Affected by COVID-19; Prospective Cohort Study, England

THELANCETID-D-20-05062, The Lancet, Volume 396, Issue 10259, P1335-1344, October 24, 2020, https://doi.org/10.1016/S0140-6736(20)32009-2
Number of pages: 22 Posted: 11 Nov 2020
Public Health England - Immunisation and Countermeasures Division, Virus Reference Department, Public Health England, Virus Reference Department, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, Public Health England Colindale, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, Immunisation and Countermeasures Division, Public Health England, Immunisation and Countermeasures Division, Public Health England, Public Health England - National Infection Service, Field Service, Field Service, National Infection Service, Public Health England, Field Service, National Infection Service, Public Health England, Government of the United Kingdom - Public Health England, Antimicrobial Resistance and Hospital Acquired Infection Department, Public Health England, Public Health England, Public Health England - Immunisation, Hepatitis, and Blood Safety Department, University of Oxford - NIHR Health Protection Research Unit in Healthcare Associated Infection and Antimicrobial Resistance, Government of the United Kingdom, Department of Health and Social Care, National Infection Service, Healthcare-Associated Infection and Antimicrobial Resistance (HCAI & AMR) Division, Imperial College London - NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Virus Reference Department, Public Health England and Public Health England - Virus Reference Department
Downloads 65 (579,327)
Citation 1

Abstract:

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SARS-CoV-2 antibodies, neutralising antibodies, elderly, COVID-19

6.

Investigation of SARS-CoV-2 Outbreaks in Six Care Homes in London, April 2020: The London Care Home Investigation

Number of pages: 29 Posted: 13 Aug 2020
Public Health England - Immunisation and Countermeasures Division, Imperial College London - NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, Public Health England Colindale, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, London Health Protection Team, National Infection Service, Public Health England, Immunisation and Countermeasures Division, Public Health England, Immunisation and Countermeasures Division, Public Health England, Public Health England - National Infection Service, Field Service, Field Service, National Infection Service, Public Health England, Field Service, National Infection Service, Public Health England, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, Virus Reference Department, Public Health England, Virus Reference Department, Public Health England, Virus Reference Department, Public Health England, Public Health England Colindale, Antimicrobial Resistance and Hospital Acquired Infection Department, Public Health England, Public Health England, Public Health England - Immunisation, Hepatitis, and Blood Safety Department, University of Oxford - NIHR Health Protection Research Unit in Healthcare Associated Infection and Antimicrobial Resistance, Government of the United Kingdom, Department of Health and Social Care, National Infection Service, Healthcare-Associated Infection and Antimicrobial Resistance (HCAI & AMR) Division and Public Health England - Virus Reference Department
Downloads 54 (633,935)
Citation 11

Abstract:

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COVID-19; care homes; case-fatality rate; symptoms

7.

The Epidemiology of Respiratory Syncytial Virus in Children Under Five Years-Old During the COVID-19 Pandemic Measured by Laboratory, Clinical and Syndromic Surveillance in England: A Retrospective Observational Study Including the 2020/21 Winter Season

Number of pages: 16 Posted: 22 Mar 2022
UK Health Security Agency, UK Health Security Agency, UK Health Security Agency, UK Health Security Agency, UK Health Security Agency, Government of the United Kingdom - Public Health England, University of Oxford - Nuffield Department of Primary Care Health Sciences and UK Health Security Agency
Downloads 33 (768,696)

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COVID-19, SARS-CoV-2, Respiratory syncytial virus, RSV, laboratory surveillance, syndromic surveillance, respiratory pathogens, paediatric infections, non-pharmaceutical interventions

8.

Excess Mortality and Its Association with SARS-CoV-2 Status During the First Pandemic Peak: Cross-Sectional Analyses of the English Primary Care Surveillance Network

Number of pages: 25 Posted: 13 Aug 2020
University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, Nuffield Department of Primary Care Health Sciences, University of Oxford, University of Oxford - Nuffield Department of Primary Care Health Sciences, Public Health England - Immunisation and Countermeasures Division, University of Oxford - Nuffield Department of Primary Care Health Sciences, UK Health Security Agency - COVID-19 National Epidemiology Cell, University of Oxford - Nuffield Department of Primary Care Health Sciences, Government of the United Kingdom - Public Health England, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, Public Health England Colindale, Royal College of General Practitioners, University of Oxford, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford, Public Health England - Immunisation, Hepatitis, and Blood Safety Department, Nuffield Department of Primary Care Health Sciences, University of Oxford, Government of the United Kingdom - Public Health England, Public Health England - Virus Reference Department, Royal College of General Practitioners - Royal College of General Practitioners (RCGP) Research and Surveillance Centre (RSC), University of Oxford - Nuffield Department of Primary Care Health Sciences and University of Oxford
Downloads 32 (776,450)

Abstract:

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Medical record systems; computerized; General Practice; Sentinel Surveillance; Mortality