Kathy Leung

30.7k total citations · 6 hit papers
72 papers, 6.5k citations indexed

About

Kathy Leung is a scholar working on Infectious Diseases, Modeling and Simulation and Epidemiology. According to data from OpenAlex, Kathy Leung has authored 72 papers receiving a total of 6.5k indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Infectious Diseases, 29 papers in Modeling and Simulation and 21 papers in Epidemiology. Recurrent topics in Kathy Leung's work include COVID-19 epidemiological studies (29 papers), SARS-CoV-2 and COVID-19 Research (18 papers) and Influenza Virus Research Studies (10 papers). Kathy Leung is often cited by papers focused on COVID-19 epidemiological studies (29 papers), SARS-CoV-2 and COVID-19 Research (18 papers) and Influenza Virus Research Studies (10 papers). Kathy Leung collaborates with scholars based in Hong Kong, China and United States. Kathy Leung's co-authors include Joseph T. Wu, GM Leung, Di Liu, Eric H. Y. Lau, Tommy Tsan‐Yuk Lam, Benjamin J. Cowling, Wai K. Leung, Mark Jit, Malik Peiris and Cheuk‐Wai Choi and has published in prestigious journals such as The Lancet, Nature Medicine and Nature Communications.

In The Last Decade

Kathy Leung

68 papers receiving 6.3k citations

Hit Papers

Nowcasting and forecasting the potential domestic and int... 2020 2026 2022 2024 2020 2020 2021 2023 2023 500 1000 1.5k 2.0k 2.5k
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. Nowcasting and forecasting the potential domestic and international spread of the 2019-nCoV outbreak originating in Wuhan, China: a modelling study
    2020 2.9k citations Joseph T. Wu, Kathy Leung et al. profile →
  2. First-wave COVID-19 transmissibility and severity in China outside Hubei after control measures, and second-wave scenario planning: a modelling impact assessment
    2020 564 citations Kathy Leung, Joseph T. Wu et al. profile →
  3. Early transmissibility assessment of the N501Y mutant strains of SARS-CoV-2 in the United Kingdom, October to November 2020
    2021 436 citations Kathy Leung, GM Leung et al. Eurosurveillance profile →
  4. Global prevalence of Helicobacter pylori infection between 1980 and 2022: a systematic review and meta-analysis
    2023 240 citations Cheuk‐Wai Choi, Kathy Leung et al. profile →
  5. Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population
    2023 116 citations Samuel M. S. Cheng, Kathy Leung et al. Nature Medicine profile →
  6. Estimating the transmission dynamics of SARS-CoV-2 Omicron BF.7 in Beijing after adjustment of the zero-COVID policy in November–December 2022
    2023 107 citations Kathy Leung, Eric H. Y. Lau et al. Nature Medicine profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kathy Leung Hong Kong 26 2.9k 2.9k 1.2k 916 644 72 6.5k
Andrew S. Azman United States 32 3.2k 1.1× 3.6k 1.2× 942 0.8× 1.2k 1.3× 723 1.1× 141 7.8k
Lin Yang Hong Kong 42 2.6k 0.9× 2.0k 0.7× 1.0k 0.9× 1.3k 1.4× 731 1.1× 176 7.1k
Shi Zhao Hong Kong 34 3.2k 1.1× 2.5k 0.8× 1.1k 0.9× 790 0.9× 429 0.7× 215 6.0k
Kyra H. Grantz United States 11 2.3k 0.8× 2.3k 0.8× 825 0.7× 644 0.7× 598 0.9× 29 4.8k
Maggie Haitian Wang China 40 2.3k 0.8× 2.0k 0.7× 887 0.8× 900 1.0× 415 0.6× 238 6.9k
Nicholas G Reich United States 33 3.2k 1.1× 3.4k 1.1× 964 0.8× 1.8k 1.9× 622 1.0× 85 8.2k
Daihai He Hong Kong 36 4.0k 1.3× 3.0k 1.0× 1.2k 1.1× 1.0k 1.1× 440 0.7× 225 6.8k
Stephen A. Lauer United States 11 2.2k 0.8× 2.6k 0.9× 790 0.7× 601 0.7× 568 0.9× 18 5.0k
Qifang Bi United States 10 2.0k 0.7× 2.2k 0.8× 743 0.6× 554 0.6× 482 0.7× 13 4.7k
Hannah R. Meredith United States 13 2.0k 0.7× 2.0k 0.7× 762 0.6× 525 0.6× 486 0.8× 20 5.0k

Countries citing papers authored by Kathy Leung

Since Specialization
Citations

This map shows the geographic impact of Kathy Leung'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 Kathy Leung with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kathy Leung more than expected).

Fields of papers citing papers by Kathy Leung

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kathy Leung. 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 Kathy Leung. The network helps show where Kathy Leung may publish in the future.

Co-authorship network of co-authors of Kathy Leung

This figure shows the co-authorship network connecting the top 25 collaborators of Kathy Leung. A scholar is included among the top collaborators of Kathy Leung 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 Kathy Leung. Kathy Leung 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.
Choi, Yongjin, Kathy Leung, Joseph T. Wu, Heidi J. Larson, & Leesa Lin. (2025). Identifying vaccine-hesitant subgroups in the Western Pacific using latent class analysis. npj Vaccines. 10(1). 29–29. 3 indexed citations
2.
Leung, Kathy, Juan C. Vargas-Zambrano, Céline Petit, et al.. (2024). Immuno-persistence after the fourth and fifth doses of inactivated polio vaccines in school-aged children. Clinical Microbiology and Infection. 31(4). 625–629.
3.
Kang, Jian, et al.. (2024). Estimating the Epidemic Size of Superspreading Coronavirus Outbreaks in Real Time: Quantitative Study. JMIR Public Health and Surveillance. 10. e46687–e46687. 3 indexed citations
4.
Wu, Joseph T., et al.. (2024). Exploring Offline Large Language Models for Clinical Information Extraction: A Study of Renal Histopathological Reports of Lupus Nephritis Patients. Studies in health technology and informatics. 316. 899–903. 3 indexed citations
5.
Cheng, Samuel M. S., Alex W. H. Chin, Kathy Leung, et al.. (2023). Avian Influenza A(H5N1) Neuraminidase Inhibition Antibodies in Healthy Adults after Exposure to Influenza A(H1N1)pdm09. Emerging infectious diseases. 30(1). 168–171. 21 indexed citations
6.
Lui, Thomas Ka-Luen, Kevin Sze-Hang Liu, Kathy Leung, et al.. (2023). The Impacts of Computer-Aided Detection of Colorectal Polyps on Subsequent Colonoscopy Surveillance Intervals: Simulation Study. Journal of Medical Internet Research. 25. e42665–e42665. 2 indexed citations
7.
Cheng, Samuel M. S., Kathy Leung, Cheuk Kwong Lee, et al.. (2023). Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population. Nature Medicine. 29(2). 348–357. 116 indexed citations breakdown →
8.
Dabak, Saudamini Vishwanath, Minah Park, Alex R. Cook, et al.. (2023). Effectiveness of chatbots on COVID vaccine confidence and acceptance in Thailand, Hong Kong, and Singapore. npj Digital Medicine. 6(1). 96–96. 16 indexed citations
9.
Leung, Kathy, Eric H. Y. Lau, Carlos King Ho Wong, GM Leung, & Joseph T. Wu. (2023). Estimating the transmission dynamics of SARS-CoV-2 Omicron BF.7 in Beijing after adjustment of the zero-COVID policy in November–December 2022. Nature Medicine. 29(3). 579–582. 107 indexed citations breakdown →
10.
Choi, Cheuk‐Wai, Kathy Leung, & Joseph T. Wu. (2023). Cervical screening among Chinese females in the era of HPV vaccination: a population-based survey on screening uptake and regular screening following an 18-year organized screening program. Journal of Gynecologic Oncology. 35(2). e20–e20. 2 indexed citations
11.
Wan, Eric Yuk Fai, Celine Sze Ling Chui, Yuan Wang, et al.. (2022). Herpes zoster related hospitalization after inactivated (CoronaVac) and mRNA (BNT162b2) SARS-CoV-2 vaccination: A self-controlled case series and nested case-control study. The Lancet Regional Health - Western Pacific. 21. 100393–100393. 53 indexed citations
12.
13.
Leung, Kathy, Mark Jit, GM Leung, & Joseph T. Wu. (2022). The allocation of COVID-19 vaccines and antivirals against emerging SARS-CoV-2 variants of concern in East Asia and Pacific region: A modelling study. The Lancet Regional Health - Western Pacific. 21. 100389–100389. 14 indexed citations
14.
Liu, Di, Kathy Leung, Mark Jit, & Joseph T. Wu. (2021). Cost-effectiveness of strategies for preventing paediatric lower respiratory infections associated with respiratory syncytial virus in eight Chinese cities. Vaccine. 39(39). 5490–5498. 7 indexed citations
15.
Wu, Joseph T., Kathy Leung, Tommy Tsan‐Yuk Lam, et al.. (2021). Nowcasting epidemics of novel pathogens: lessons from COVID-19. Nature Medicine. 27(3). 388–395. 33 indexed citations
16.
Leung, Kathy, Joseph T. Wu, Xiao‐Ou Shu, et al.. (2021). Using Risk Stratification to Optimize Mammography Screening in Chinese Women. JNCI Cancer Spectrum. 5(4). 2 indexed citations
17.
Leung, Kathy, et al.. (2021). Estimating the transmission advantage of the D614G mutant strain of SARS-CoV-2, December 2019 to June 2020. Eurosurveillance. 26(49). 13 indexed citations
18.
Leung, Kathy & Joseph T. Wu. (2021). Quantifying the uncertainty of CovidSim. Nature Computational Science. 1(2). 98–99. 5 indexed citations
19.
Perera, Ranawaka A. P. M., Ronald LW Ko, Owen TY Tsang, et al.. (2020). Evaluation of a SARS-CoV-2 Surrogate Virus Neutralization Test for Detection of Antibody in Human, Canine, Cat, and Hamster Sera. Journal of Clinical Microbiology. 59(2). 102 indexed citations
20.
Leung, Kathy, Mark Jit, Eric H. Y. Lau, & Joseph T. Wu. (2017). Social contact patterns relevant to the spread of respiratory infectious diseases in Hong Kong. Scientific Reports. 7(1). 7974–7974. 89 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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