Shamez Ladhani

30.1k total citations · 11 hit papers
382 papers, 14.4k citations indexed

About

Shamez Ladhani is a scholar working on Epidemiology, Microbiology and Infectious Diseases. According to data from OpenAlex, Shamez Ladhani has authored 382 papers receiving a total of 14.4k indexed citations (citations by other indexed papers that have themselves been cited), including 213 papers in Epidemiology, 122 papers in Microbiology and 104 papers in Infectious Diseases. Recurrent topics in Shamez Ladhani's work include Pneumonia and Respiratory Infections (160 papers), Bacterial Infections and Vaccines (120 papers) and Respiratory viral infections research (81 papers). Shamez Ladhani is often cited by papers focused on Pneumonia and Respiratory Infections (160 papers), Bacterial Infections and Vaccines (120 papers) and Respiratory viral infections research (81 papers). Shamez Ladhani collaborates with scholars based in United Kingdom, Australia and United States. Shamez Ladhani's co-authors include Mary Ramsay, Mary Slack, Ray Borrow, Nick Andrews, Elizabeth Miller, Carmen Sheppard, Helen Campbell, Paul T. Heath, Pauline A. Waight and Asma Khalil and has published in prestigious journals such as Science, New England Journal of Medicine and The Lancet.

In The Last Decade

Shamez Ladhani

361 papers receiving 14.1k citations

Hit Papers

Effects of the COVID-19 p... 2014 2026 2018 2022 2021 2020 2020 2015 2014 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Effects of the COVID-19 pandemic on maternal and perinatal outcomes: a systematic review and meta-analysis
    2021 631 citations B Chmielewska, Rosemary Townsend et al. The Lancet Global Health profile →
  2. Duration of infectiousness and correlation with RT-PCR cycle threshold values in cases of COVID-19, England, January to May 2020
    2020 534 citations Jamie Lopez Bernal, Shamez Ladhani et al. Eurosurveillance profile →
  3. Susceptibility to SARS-CoV-2 Infection Among Children and Adolescents Compared With Adults
    2020 517 citations Shamez Ladhani et al. profile →
  4. Effect of the 13-valent pneumococcal conjugate vaccine on invasive pneumococcal disease in England and Wales 4 years after its introduction: an observational cohort study
    2015 455 citations Shamez Ladhani, Carmen Sheppard et al. The Lancet Infectious Diseases profile →
  5. Serotype-specific effectiveness and correlates of protection for the 13-valent pneumococcal conjugate vaccine: a postlicensure indirect cohort study
    2014 393 citations Nick Andrews, Shamez Ladhani et al. The Lancet Infectious Diseases profile →
  6. Rapid increase in non-vaccine serotypes causing invasive pneumococcal disease in England and Wales, 2000–17: a prospective national observational cohort study
    2018 372 citations Shamez Ladhani, Carmen Sheppard et al. The Lancet Infectious Diseases profile →
  7. COVID-19 vaccination during pregnancy: coverage and safety
    2021 264 citations Erkan Kalafat, Paul T. Heath et al. profile →
  8. SARS-CoV-2 infection in pregnancy: A systematic review and meta-analysis of clinical features and pregnancy outcomes
    2020 227 citations Asma Khalil, Erkan Kalafat et al. profile →
  9. Systematic review and meta-analysis of the effectiveness and perinatal outcomes of COVID-19 vaccination in pregnancy
    2022 166 citations Erkan Kalafat, Rosemary Townsend et al. Nature Communications profile →
  10. Effectiveness of one dose of MVA–BN smallpox vaccine against mpox in England using the case-coverage method: an observational study
    2023 87 citations Marta Bertran, Nick Andrews et al. The Lancet Infectious Diseases profile →
  11. Invasive pneumococcal disease 3 years after introduction of a reduced 1 + 1 infant 13-valent pneumococcal conjugate vaccine immunisation schedule in England: a prospective national observational surveillance study
    2024 49 citations Marta Bertran, Nick Andrews et al. The Lancet Infectious Diseases profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Shamez Ladhani United Kingdom 61 7.3k 4.4k 3.6k 2.2k 1.7k 382 14.4k
Shabir A. Madhi South Africa 71 14.2k 1.9× 2.2k 0.5× 6.9k 1.9× 2.8k 1.3× 533 0.3× 571 20.5k
Mary Ramsay United Kingdom 68 13.2k 1.8× 7.7k 1.7× 6.3k 1.8× 1.5k 0.7× 471 0.3× 457 20.9k
Paul T. Heath United Kingdom 53 6.1k 0.8× 2.5k 0.6× 1.7k 0.5× 4.5k 2.0× 1.1k 0.6× 297 10.6k
Suzanne M. Garland Australia 65 12.5k 1.7× 5.6k 1.3× 1.3k 0.4× 1.7k 0.7× 462 0.3× 569 18.9k
Lisa A. Jackson United States 76 10.2k 1.4× 3.2k 0.7× 3.1k 0.9× 1.2k 0.5× 541 0.3× 280 17.3k
Tamara Pilishvili United States 34 6.9k 0.9× 2.3k 0.5× 3.1k 0.9× 804 0.4× 519 0.3× 90 11.8k
Nicola Principi Italy 63 8.8k 1.2× 2.0k 0.5× 3.9k 1.1× 1.4k 0.6× 212 0.1× 591 16.5k
Nicola Low Switzerland 58 4.6k 0.6× 6.4k 1.5× 4.8k 1.3× 2.4k 1.1× 244 0.1× 265 14.3k
Nigel Curtis Australia 55 3.5k 0.5× 712 0.2× 5.5k 1.5× 2.5k 1.1× 759 0.4× 330 12.1k
Janet A. Englund United States 72 12.4k 1.7× 2.3k 0.5× 6.3k 1.8× 795 0.4× 625 0.4× 405 16.9k

Countries citing papers authored by Shamez Ladhani

Since Specialization
Citations

This map shows the geographic impact of Shamez Ladhani's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Shamez Ladhani with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Shamez Ladhani more than expected).

Fields of papers citing papers by Shamez Ladhani

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Shamez Ladhani. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Shamez Ladhani. The network helps show where Shamez Ladhani may publish in the future.

Co-authorship network of co-authors of Shamez Ladhani

This figure shows the co-authorship network connecting the top 25 collaborators of Shamez Ladhani. A scholar is included among the top collaborators of Shamez Ladhani based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Shamez Ladhani. Shamez Ladhani is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Carey, Catherine L., et al.. (2025). Pneumococcal vaccination for new residents entering older adult care homes in England: national observational surveillance study. The Lancet Healthy Longevity. 6(6). 100726–100726. 1 indexed citations
2.
Kirsebom, Freja, Nick Andrews, Anna Mensah, et al.. (2024). Vaccine effectiveness against mild and severe covid-19 in pregnant individuals and their infants in England: test negative case-control study. SHILAP Revista de lepidopterología. 3(1). e000696–e000696. 2 indexed citations
3.
Kadambari, Seilesh, et al.. (2024). Epidemiological trends in viral meningitis in England: Prospective national surveillance, 2013–2023. Journal of Infection. 89(3). 106223–106223. 6 indexed citations
4.
Mactier, Helen, Alessandra Morelli, Anna Placzek, et al.. (2023). Neonatal outcomes of maternal SARS-CoV-2 infection in the UK: a prospective cohort study using active surveillance. Pediatric Research. 94(3). 1203–1208. 5 indexed citations
5.
Khalil, Asma, Athina Samara, Pat O’Brien, & Shamez Ladhani. (2023). Treatment and prevention of mpox in pregnant people and young children. The Lancet Infectious Diseases. 23(4). 396–397. 9 indexed citations
6.
7.
Hyams, Catherine, David Arnold, Robyn Heath, et al.. (2023). Parapneumonic effusions related to Streptococcus pneumoniae : serotype and disease severity trends from 2006 to 2018 in Bristol, UK. BMJ Open Respiratory Research. 10(1). e001440–e001440.
8.
Khalil, Asma, Athina Samara, Pat O’Brien, & Shamez Ladhani. (2022). Call for a unified approach to Monkeypox infection in pregnancy: Lessons from the COVID-19 pandemic. Nature Communications. 13(1). 5038–5038. 12 indexed citations
9.
Ladhani, Shamez, Felicity Aiano, David S. Edwards, et al.. (2022). Very low risk of monkeypox among staff and students after exposure to a confirmed case in educational settings, England, May to July 2022. Eurosurveillance. 27(40). 11 indexed citations
10.
Wang, Bing, Prabha H. Andraweera, Salenna R. Elliott, et al.. (2022). Asymptomatic SARS-CoV-2 Infection by Age: A Global Systematic Review and Meta-analysis. The Pediatric Infectious Disease Journal. 42(3). 232–239. 30 indexed citations
11.
Cohen, Jonathan, et al.. (2022). Lower Risk of Multisystem Inflammatory Syndrome in Children With the Delta and Omicron Variants of Severe Acute Respiratory Syndrome Coronavirus 2. Clinical Infectious Diseases. 76(3). e518–e521. 51 indexed citations
12.
Sheppard, Carmen, Sam Manna, Natalie Groves, et al.. (2022). PneumoKITy: A fast, flexible, specific, and sensitive tool for Streptococcus pneumoniae serotype screening and mixed serotype detection from genome sequence data. Microbial Genomics. 8(12). 13 indexed citations
13.
Chmielewska, B, Rosemary Townsend, Erkan Kalafat, et al.. (2021). Effects of the COVID-19 pandemic on maternal and perinatal outcomes: a systematic review and meta-analysis. The Lancet Global Health. 9(6). e759–e772. 631 indexed citations breakdown →
14.
Verberk, Janneke D. M., Jan van de Kassteele, Nick Andrews, et al.. (2021). Impact analysis of rotavirus vaccination in various geographic regions in Western Europe. Vaccine. 39(45). 6671–6681. 8 indexed citations
15.
Martinón‐Torres, Federico, Xavier Bosch, Rino Rappuoli, et al.. (2019). TIPICO IX: report of the 9th interactive infectious disease workshop on infectious diseases and vaccines. Human Vaccines & Immunotherapeutics. 15(10). 2405–2415. 20 indexed citations
16.
Townsend, Kelly, Shamez Ladhani, Helen Findlow, & Ray Borrow. (2014). Evaluation and validation of a serum bactericidal antibody assay for Haemophilus influenzae type b and the threshold of protection. Vaccine. 32(43). 5650–5656. 19 indexed citations
17.
Ladhani, Shamez, et al.. (2002). A novel method for rapid production and purification of exfoliative toxin A ofStaphylococcus aureus. FEMS Microbiology Letters. 212(1). 35–39. 3 indexed citations
18.
Ladhani, Shamez, et al.. (2001). Non responding pneumonia with skin lesions.. PubMed. 43(2). 115–7. 3 indexed citations
19.
Ladhani, Shamez & Christopher L. Joannou. (2000). Difficulties in diagnosis and management of the staphylococcal scalded skin syndrome. The Pediatric Infectious Disease Journal. 19(9). 819–821. 29 indexed citations
20.
Ladhani, Shamez. (1997). Leprosy disabilities: the impact of multidrug therapy (MDT). International Journal of Dermatology. 36(8). 561–572. 12 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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