Karen Yiu

2.5k total citations · 1 hit paper
38 papers, 1.7k citations indexed

About

Karen Yiu is a scholar working on Infectious Diseases, Surgery and Epidemiology. According to data from OpenAlex, Karen Yiu has authored 38 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Infectious Diseases, 8 papers in Surgery and 8 papers in Epidemiology. Recurrent topics in Karen Yiu's work include SARS-CoV-2 and COVID-19 Research (10 papers), Liver Disease Diagnosis and Treatment (8 papers) and Hepatitis B Virus Studies (8 papers). Karen Yiu is often cited by papers focused on SARS-CoV-2 and COVID-19 Research (10 papers), Liver Disease Diagnosis and Treatment (8 papers) and Hepatitis B Virus Studies (8 papers). Karen Yiu collaborates with scholars based in Hong Kong, China and Singapore. Karen Yiu's co-authors include Vincent Wai‐Sun Wong, Grace Lai–Hung Wong, A. M.‐L. Chim, Joseph J.�Y. Sung, Francis K.L. Chan, Anthony W.H. Chan, Henry Lik‐Yuen Chan, Henry LY Chan, Kelvin Tsoi and Paul Cheung‐Lung Choi and has published in prestigious journals such as Nature Medicine, Gut and Scientific Reports.

In The Last Decade

Karen Yiu

35 papers receiving 1.6k citations

Hit Papers

align trajectories

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.

Neutralizing antibodies against the SARS-CoV-2 Omicron variant BA.1 following homologous and heterologous CoronaVac or BNT162b2 vaccination

2022 211 citations Samuel M. S. Cheng, Chris Ka Pun Mok et al. Nature Medicine profile →

Peers

Countries citing papers authored by Karen Yiu

Since Specialization

Citations

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

Fields of papers citing papers by Karen Yiu

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karen Yiu

This figure shows the co-authorship network connecting the top 25 collaborators of Karen Yiu. A scholar is included among the top collaborators of Karen Yiu 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 Karen Yiu. Karen Yiu is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Twelve-month prevalence of DSM-5 mental disorders and the psychosocial correlates- a child and adolescent psychiatric epidemiologic survey in Hong Kong SAR 2025 ·The Lancet Regional Health - Western Pacific ·Sandra Sau Man Chan, Oscar W. H. Wong, (unknown), Kelvin Tsoi, (unknown), Steven Wai Ho Chau, Suk Ling, Kelly Y. C. Lai, Chiu‐Wing Winnie Chu, (unknown), (unknown), C. M. Leung, Karen Yiu, Suzanne Ho‐wai So, Pak C. Sham, Se Fong Hung, Patrick W. L. Leung	2
2	Long‐term use of low‐dose aspirin for cancer prevention: A 20‐year longitudinal cohort study of 1,506,525 Hong Kong residents 2025 ·International Journal of Cancer ·(unknown), (unknown), Karen Yiu, Stephen Chan, Francis K.L. Chan, Joseph J.�Y. Sung, Kelvin Tsoi	3
3	Comparison of safety and immunogenicity in the elderly after receiving either Comirnaty or Spikevax monovalent XBB1.5 COVID-19 vaccine 2024 ·Journal of Infection ·Chris Ka Pun Mok, (unknown), Chee Wah Tan, Ka Chun Chong, Chunke Chen, Yuanxin Sun, Karen Yiu, (unknown), Ka Pang Chan, David S.C. Hui	1
4	Determination of T cell response against XBB variants in adults who received either monovalent wild-type inactivated whole virus or mRNA vaccine or bivalent WT/BA.4-5 COVID-19 mRNA vaccine as the additional booster 2024 ·International Journal of Infectious Diseases ·(unknown), Chee Wah Tan, Ka Chun Chong, Chunke Chen, Yuanxin Sun, Karen Yiu, (unknown), (unknown), Malik Peiris, Chris Ka Pun Mok, David S.C. Hui	0
5	The Western and Chinese exercise training for blood pressure reduction among hypertensive patients: An overview of systematic reviews 2023 ·Journal of Clinical Hypertension ·Kelvin Tsoi, Amy Lam, (unknown), (unknown), Karen Yiu, Yook Chin Chia, Yuda Turana, Saulat Siddique, Yuqing Zhang, Hao‐Min Cheng, Ji‐Guang Wang, Kazuomi Kario, (unknown)	7
6	Serological assays for differentiating natural COVID-19 infection from vaccine induced immunity 2023 ·Journal of Clinical Virology ·Samuel M. S. Cheng, (unknown), (unknown), Kathy Leung, Cheuk Kwong Lee, Asmaa Hachim, Niloufar Kavian, Sara Chaothai, Rwk Wong, (unknown), (unknown), Masashi Mori, Chao Wu, Karen Yiu, David S.C. Hui, Gaya K. Amarasinghe, Leo L. M. Poon, Joseph T. Wu, Sophie A. Valkenburg, Malik Peiris	3
7	Omicron BA.1-specific T-cell responses in adults vaccinated with CoronaVac or BNT162b2 in Hong Kong: an observational cohort study 2023 ·The Lancet Microbe ·Chris Ka Pun Mok, Chunke Chen, Shilin Zhao, Yuanxin Sun, Karen Yiu, Tat‐On Chan, (unknown), (unknown), (unknown), (unknown), Ka Pang Chan, Susanna S. Ng, Fanny W.S. Ko, Malik Peiris, David S.C. Hui	16
8	Neutralizing antibodies against the SARS-CoV-2 Omicron variant BA.1 following homologous and heterologous CoronaVac or BNT162b2 vaccination breakdown → 2022 ·Nature Medicine ·Samuel M. S. Cheng, Chris Ka Pun Mok, (unknown), Susanna S. Ng, Kaimin Chan, Fanny W.S. Ko, Chunke Chen, Karen Yiu, (unknown), Eric H. Y. Lau, Ka Pang Chan, Leo L. H. Luk, John K. C. Li, Leo C. H. Tsang, Leo L. M. Poon, David S.C. Hui, Malik Peiris	211
9	Plaque-neutralizing antibody to BA.2.12.1, BA.4 and BA.5 in individuals with three doses of BioNTech or CoronaVac vaccines, natural infection and breakthrough infection 2022 ·Journal of Clinical Virology ·Samuel Cheng, (unknown), (unknown), Susanna S. Ng, (unknown), Trushar Jeevan, Ahmed Kandeil, Andrew Pekosz, Karl CK Chan, Leo C. H. Tsang, Fanny W.S. Ko, (unknown), Karen Yiu, Leo L. H. Luk, (unknown), Richard J. Webby, Leo L. M. Poon, David S.C. Hui, Malik Peiris	17
10	Comparison of the immunogenicity of BNT162b2 and CoronaVac COVID ‐19 vaccines in Hong Kong 2021 ·Respirology ·Chris Ka Pun Mok, Carolyn A. Cohen, Samuel M. S. Cheng, Chunke Chen, Kin On Kwok, Karen Yiu, Tat‐On Chan, Maireid Bull, (unknown), (unknown), Susanna S. Ng, Grace Lui, Chao Wu, Gaya K. Amarasinghe, Daisy W. Leung, Samuel Yeung Shan Wong, Sophie A. Valkenburg, Malik Peiris, David S.C. Hui	91
11	Antihypertensive treatments and risks of lung Cancer: a large population-based cohort study in Hong Kong 2021 ·BMC Cancer ·Jinhui Li, (unknown), (unknown), Karen Yiu, Kelvin Tsoi	6
12	Long-Term Blood Pressure Variability Increases Risks of Dementia and Cognitive Decline: A Meta-Analysis of Longitudinal Studies 2021 ·Hypertension ·Pingping Jia, (unknown), Joyce Y.C. Chan, Karen Yiu, Kelvin Tsoi	23
13	Depression and Antidepressants as Potential Risk Factors in Dementia: A Systematic Review and Meta-analysis of 18 Longitudinal Studies 2019 ·Journal of the American Medical Directors Association ·Joyce Y.C. Chan, Karen Yiu, Timothy Kwok, Samuel Yeung Shan Wong, Kelvin Tsoi	47
14	A randomized controlled trial of an ambulatory approach versus the hospital-based approach in managing suspected obstructive sleep apnea syndrome 2017 ·Scientific Reports ·David S.C. Hui, Susanna S. Ng, Kin‐Wang To, Fanny W.S. Ko, Jenny Ngai, Ka Pang Chan, (unknown), Tat‐On Chan, Karen Yiu, Wilson Tam	21
15	Learning Curve in Monitoring Magnetically Controlled Growing Rod Distractions With Ultrasound 2017 ·Spine ·Jason Pui Yin Cheung, Karen Yiu, Cora Bow, Prudence Wing Hang Cheung, Dino Samartzis, Kmc Cheung	18
16	Undetectable HBV DNA at month 12 of entecavir treatment predicts maintained viral suppression and HBeAg‐seroconversion in chronic hepatitis B patients at 3 years 2012 ·Alimentary Pharmacology & Therapeutics ·Grace Lai–Hung Wong, Vincent Wai‐Sun Wong, Hoi–Yun Chan, (unknown), John Wong, A. M.‐L. Chim, Karen Yiu, Sang Hui Chu, Henry Lik‐Yuen Chan	45
17	Meta‐analysis: reduction in hepatic events following interferon‐alfa therapy of chronic hepatitis B 2010 ·Alimentary Pharmacology & Therapeutics ·Grace Lai–Hung Wong, Karen Yiu, Vincent Wai‐Sun Wong, Kelvin Tsoi, Henry Lik‐Yuen Chan	47
18	Increased liver stiffness measurement by transient elastography in severe acute exacerbation of chronic hepatitis B 2009 ·Journal of Gastroenterology and Hepatology ·Grace Lai–Hung Wong, Vincent Wai‐Sun Wong, (unknown), Anthony W.H. Chan, A. M.‐L. Chim, Karen Yiu, Francis K.L. Chan, Joseph J.�Y. Sung, Henry LY Chan	90
19	Alanine aminotransferase‐based algorithms of liver stiffness measurement by transient elastography (Fibroscan) for liver fibrosis in chronic hepatitis B 2008 ·Journal of Viral Hepatitis ·Henry Lik‐Yuen Chan, Grace Lai–Hung Wong, Paul Cheung‐Lung Choi, Anthony W.H. Chan, A. M.‐L. Chim, Karen Yiu, Francis K.L. Chan, Joseph J.�Y. Sung, Vincent Wai‐Sun Wong	323
20	Metabolic syndrome increases the risk of liver cirrhosis in chronic hepatitis B 2008 ·Gut ·Grace Lai–Hung Wong, Vincent Wai‐Sun Wong, Paul C.L. Choi, Anthony W.H. Chan, A. M.‐L. Chim, Karen Yiu, (unknown), Francis K.L. Chan, Joseph J.�Y. Sung, Henry LY Chan	183

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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