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N. Fry · SciRah

Researcher profile · Semantic Scholar

N. Fry

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N. Fry — researcher profile on SciRah

h-index: 54
Works: 180
Citations: 10K

Most-cited papers

Rapid increase in non-vaccine serotypes causing invasive pneumococcal disease in England and Wales, 2000-17: a prospective national observational cohort study.
S. Ladhani, S. Collins, A. Djennad, C. Sheppard +5 more
2018Lancet. Infectious Diseases (Print)513 citations Open access
Semantic Scholar
Changes in the incidence of invasive disease due to Streptococcus pneumoniae, Haemophilus influenzae, and Neisseria meningitidis during the COVID-19 pandemic in 26 countries and territories in the Invasive Respiratory Infection Surveillance Initiative: a prospective analysis of surveillance data
A. Brueggemann, Melissa J. Jansen van Rensburg, David Shaw, N. McCarthy +91 more
2021The Lancet Digital Health398 citations Open access
Semantic Scholar
Sustained Effectiveness of the Maternal Pertussis Immunization Program in England 3 Years Following Introduction
G. Amirthalingam, H. Campbell, Sonia Ribeiro, N. Fry +3 more
2016Clinical Infectious Diseases252 citations Open access
Semantic Scholar
Pertussis Prevention: Reasons for Resurgence, and Differences in the Current Acellular Pertussis Vaccines
S. Esposito, P. Stefanelli, N. Fry, G. Fedele +12 more
2019Frontiers in Immunology168 citations Open access
Semantic Scholar
Impact of the COVID-19 Pandemic on Invasive Pneumococcal Disease and Risk of Pneumococcal Coinfection with SARS-CoV-2: prospective national cohort study, England
Z. Amin-Chowdhury, F. Aiano, A. Mensah, C. Sheppard +5 more
2020Clinical Infectious Diseases154 citations Open access
Semantic Scholar
Effect of childhood pneumococcal conjugate vaccination on invasive disease in older adults of 10 European countries: implications for adult vaccination
G. Hanquet, P. Krizova, P. Valentiner-Branth, S. Ladhani +26 more
2018Thorax153 citations Open access
Semantic Scholar
Whole genome sequencing of Streptococcus pneumoniae: development, evaluation and verification of targets for serogroup and serotype prediction using an automated pipeline
G. Kapatai, C. Sheppard, Ali Al-Shahib, D. Litt +3 more
2016PeerJ152 citations Open access
Semantic Scholar
Serotype Replacement after Introduction of 10-Valent and 13-Valent Pneumococcal Conjugate Vaccines in 10 Countries, Europe
G. Hanquet, P. Krizova, T. Dalby, S. Ladhani +26 more
2022Emerging Infectious Diseases151 citations Open access
Semantic Scholar
Trends in invasive bacterial diseases during the first 2 years of the COVID-19 pandemic: analyses of prospective surveillance data from 30 countries and territories in the IRIS Consortium
David Shaw, R. Abad, Z. Amin-Chowdhury, A. Bautista +95 more
2023The Lancet Digital Health146 citations Open access
Semantic Scholar
Effectiveness of 23-Valent Polysaccharide Pneumococcal Vaccine and Changes in Invasive Pneumococcal Disease Incidence from 2000 to 2017 in Those Aged 65 and Over in England and Wales
A. Djennad, M. Ramsay, R. Pebody, N. Fry +3 more
2018EClinicalMedicine144 citations Open access
Semantic Scholar
Effectiveness of 10 and 13-valent pneumococcal conjugate vaccines against invasive pneumococcal disease in European children: SpIDnet observational multicentre study.
C. Savulescu, P. Krizova, P. Valentiner-Branth, S. Ladhani +24 more
2022Vaccine116 citations Open access
Semantic Scholar
Pneumococcal carriage in children and their household contacts six years after introduction of the 13-valent pneumococcal conjugate vaccine in England
J. Southern, N. Andrews, P. Sandu, C. Sheppard +4 more
2018PLoS ONE109 citations Open access
Semantic Scholar
Pneumococcal serotype trends, surveillance and risk factors in UK adult pneumonia, 2013–18
H. Pick, P. Daniel, C. Rodrigo, T. Bewick +14 more
2019Thorax105 citations Open access
Semantic Scholar
Increased Incidence of Invasive Pneumococcal Disease among Children after COVID-19 Pandemic, England
M. Bertran, Z. Amin-Chowdhury, C. Sheppard, S. Eletu +5 more
2022Emerging Infectious Diseases96 citations Open access
Semantic Scholar
Pertactin-deficient Bordetella pertussis isolates: evidence of increased circulation in Europe, 1998 to 2015
A. Barkoff, J. Mertsola, D. Piérard, T. Dalby +12 more
2019Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin88 citations Open access
Semantic Scholar
Effectiveness of the 23-valent pneumococcal polysaccharide vaccine against vaccine serotype pneumococcal pneumonia in adults: A case-control test-negative design study
H. Lawrence, H. Pick, V. Baskaran, P. Daniel +11 more
2020PLoS Medicine80 citations Open access
Semantic Scholar
Acquisition and loss of virulence-associated factors during genome evolution and speciation in three clades of Bordetella species
B. Linz, Y. Ivanov, A. Preston, L. Brinkac +10 more
2016BMC Genomics79 citations Open access
Semantic Scholar
Effectiveness of the seven-valent and thirteen-valent pneumococcal conjugate vaccines in England: The indirect cohort design, 2006-2018.
N. Andrews, A. Kent, Z. Amin-Chowdhury, C. Sheppard +3 more
2019Vaccine74 citations
Semantic Scholar
Evolution of Streptococcus pneumoniae Serotype 3 in England and Wales: A Major Vaccine Evader
N. Groves, C. Sheppard, D. Litt, Samuel Rose +7 more
2019Genes72 citations Open access
Semantic Scholar
Characteristics of invasive pneumococcal disease (IPD) caused by emerging serotypes after the introduction of the 13-valent pneumococcal conjugate vaccine (PCV13) in England; prospective observational cohort study, 2014-18.
Z. Amin-Chowdhury, S. Collins, C. Sheppard, D. Litt +3 more
2020Clinical Infectious Diseases64 citations Open access
Semantic Scholar
Impact of the COVID-19 pandemic on Bordetella pertussis infections in England
Elise Tessier, H. Campbell, Sonia Ribeiro, Yuma Rai +5 more
2022BMC Public Health61 citations Open access
Semantic Scholar
Evaluation of an Optimal Epidemiological Typing Scheme for Legionella pneumophila with Whole-Genome Sequence Data Using Validation Guidelines
S. David, M. Mentasti, R. Tewolde, M. Aslett +6 more
2016Journal of Clinical Microbiology61 citations Open access
Semantic Scholar
Persistent circulation of vaccine serotypes and serotype replacement after five years of UK infant immunisation with PCV13.
R. Kandasamy, M. Voysey, S. Collins, G. Berbers +11 more
2019Journal of Infectious Diseases58 citations Open access
Semantic Scholar
Rise of multidrug-resistant non-vaccine serotype 15A Streptococcus pneumoniae in the United Kingdom, 2001 to 2014
C. Sheppard, N. Fry, S. Mushtaq, N. Woodford +9 more
2016Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin57 citations Open access
Semantic Scholar
Global spatial dynamics and vaccine-induced fitness changes of Bordetella pertussis
N. Lefrancq, V. Bouchez, Nadia Fernandes, A. Barkoff +27 more
2022Science Translational Medicine56 citations Open access
Semantic Scholar
Effect of Pneumococcal Conjugate Vaccines on Pneumococcal Meningitis, England and Wales, July 1, 2000–June 30, 2016
G. Oligbu, S. Collins, A. Djennad, C. Sheppard +5 more
2019Emerging Infectious Diseases54 citations Open access
Semantic Scholar
Childhood Deaths Attributable to Invasive Pneumococcal Disease in England and Wales, 2006–2014
G. Oligbu, S. Collins, C. Sheppard, N. Fry +3 more
2017Clinical Infectious Diseases50 citations
Semantic Scholar
The changing epidemiology of diphtheria in the United Kingdom, 2009 to 2017
C. Gower, A. Scobie, N. Fry, D. Litt +7 more
2020Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin46 citations Open access
Semantic Scholar
Characteristics and Serotype Distribution of Childhood Cases of Invasive Pneumococcal Disease Following Pneumococcal Conjugate Vaccination in England and Wales, 2006–2014
G. Oligbu, S. Collins, N. Andrews, C. Sheppard +4 more
2017Clinical Infectious Diseases42 citations Open access
Semantic Scholar
Surveillance of Circulating Bordetella pertussis Strains in Europe during 1998 to 2015
A. Barkoff, J. Mertsola, D. Piérard, T. Dalby +13 more
2018Journal of Clinical Microbiology40 citations Open access
Semantic Scholar
Development, validation and implementation of a quadruplex real-time PCR assay for identification of potentially toxigenic corynebacteria.
A. de Zoysa, A. Efstratiou, G. Mann, T. Harrison +1 more
2016Journal of Medical Microbiology40 citations Open access
Semantic Scholar
Optimisation of timing of Maternal Pertussis Immunisation from 6 years of post-implementation surveillance data in England.
G. Amirthalingam, H. Campbell, Sonia Ribeiro, J. Stowe +4 more
2022Clinical Infectious Diseases38 citations
Semantic Scholar
Improved quadruplex real-time PCR assay for the diagnosis of diphtheria.
E. Badell, S. Guillot, Marie Tulliez, Marine Pascal +5 more
2019Journal of Medical Microbiology37 citations Open access
Semantic Scholar
Survey of Household Contacts of Infants With Laboratory-confirmed Pertussis Infection During a National Pertussis Outbreak in England and Wales
E. Kara, H. Campbell, Sonia Ribeiro, N. Fry +3 more
2017The Pediatric Infectious Disease Journal36 citations
Semantic Scholar
Characteristics of Children With Invasive Pneumococcal Disease After the Introduction of the 13-valent Pneumococcal Conjugate Vaccine in England and Wales, 2010–2016
A. Makwana, C. Sheppard, R. Borrow, N. Fry +2 more
2018The Pediatric Infectious Disease Journal35 citations
Semantic Scholar
JMM Profile: Bordetella pertussis and whooping cough (pertussis): still a significant cause of infant morbidity and mortality, but vaccine-preventable
N. Fry, H. Campbell, G. Amirthalingam
2021Journal of Medical Microbiology30 citations Open access
Semantic Scholar
Serious pneumococcal disease outbreak in men exposed to metal fume - detection, response and future prevention through pneumococcal vaccination.
Judith Ewing, L. Patterson, N. Irvine, L. Doherty +7 more
2017Vaccine27 citations
Semantic Scholar
Legionella antibiotic susceptibility testing: is it time for international standardization and evidence-based guidance?
E. Portal, G. Descours, C. Ginevra, Massimo Mentasti +122 more
2021Journal of Antimicrobial Chemotherapy25 citations Open access
Semantic Scholar
Impact of Extending the Timing of Maternal Pertussis Vaccination on Hospitalized Infant Pertussis in England, 2014–2018
Elise Tessier, H. Campbell, Sonia Ribeiro, N. Fry +5 more
2020Clinical Infectious Diseases25 citations Open access
Semantic Scholar
Invasive Pneumococcal Disease in UK Children <1 Year of Age in the Post-13-Valent Pneumococcal Conjugate Vaccine Era: What Are the Risks Now?
A. Kent, A. Makwana, C. Sheppard, S. Collins +4 more
2018Clinical Infectious Diseases25 citations Open access
Semantic Scholar
PneumoKITy: A fast, flexible, specific, and sensitive tool for Streptococcus pneumoniae serotype screening and mixed serotype detection from genome sequence data
C. Sheppard, Sam Manna, N. Groves, D. Litt +5 more
2022Microbial Genomics24 citations Open access
Semantic Scholar
International links between Streptococcus pneumoniae vaccine serotype 4 sequence type (ST) 801 in Northern European shipyard outbreaks of invasive pneumococcal disease
R. Gladstone, L. Siira, O. Brynildsrud, D. Vestrheim +98 more
2022Vaccine23 citations Open access
Semantic Scholar
Risk of Invasive Pneumococcal Disease in Children with Sickle Cell Disease in England: A National Observational Cohort Study, 2010–2015
G. Oligbu, S. Collins, C. Sheppard, N. Fry +3 more
2017Archives of Disease in Childhood23 citations
Semantic Scholar
The Genomics of Streptococcus pneumoniae Carriage Isolates from UK Children and Their Household Contacts, Pre-PCV7 to Post-PCV13
C. Sheppard, N. Groves, N. Andrews, D. Litt +3 more
2019Genes21 citations Open access
Semantic Scholar
Bordetella pertussis isolates vary in their interactions with human complement components
Charlotte Brookes, Irene Freire-Martin, Breeze E. Cavell, Frances Alexander +6 more
2018Emerging Microbes and Infections21 citations Open access
Semantic Scholar
Diphtheria in Belgium: 2010-2017.
Helena Martini, O. Soetens, D. Litt, N. Fry +5 more
2019Journal of Medical Microbiology20 citations Open access
Semantic Scholar
Pneumococcal 23B Molecular Subtype Identified Using Whole Genome Sequencing
G. Kapatai, C. Sheppard, L. Troxler, D. Litt +3 more
2017Genome Biology and Evolution20 citations Open access
Semantic Scholar
Trends in invasive Haemophilus influenzae serotype a disease in England from 2008-09 to 2021-22: a prospective national surveillance study.
M. Bertran, J. D'Aeth, Erjola Hani, Z. Amin-Chowdhury +4 more
2023Lancet. Infectious Diseases (Print)18 citations Open access
Semantic Scholar
It Takes Two to Tango: Combining Conventional Culture With Molecular Diagnostics Enhances Accuracy of Streptococcus pneumoniae Detection and Pneumococcal Serogroup/Serotype Determination in Carriage
W. Miellet, J. van Veldhuizen, D. Litt, R. Mariman +13 more
2021Frontiers in Microbiology18 citations Open access
Semantic Scholar
The Pneumococcus and Its Critical Role in Public Health.
G. Oligbu, N. Fry, S. Ladhani
2019Methods in molecular biology18 citations
Semantic Scholar

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C. Sheppard — researcher profile on SciRah
S. Ladhani×23
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S. Ladhani — researcher profile on SciRah
D. Litt×21
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N. Andrews×13
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M. Ramsay — researcher profile on SciRah

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S. Collins — researcher profile on SciRah

Z. Amin-Chowdhury×9

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G. Amirthalingam×7

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