Katherine A. Twohig

6.4k total citations · 1 hit paper
17 papers, 855 citations indexed

About

Katherine A. Twohig is a scholar working on Infectious Diseases, Modeling and Simulation and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Katherine A. Twohig has authored 17 papers receiving a total of 855 indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Infectious Diseases, 6 papers in Modeling and Simulation and 5 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Katherine A. Twohig's work include SARS-CoV-2 and COVID-19 Research (8 papers), SARS-CoV-2 detection and testing (7 papers) and COVID-19 epidemiological studies (6 papers). Katherine A. Twohig is often cited by papers focused on SARS-CoV-2 and COVID-19 Research (8 papers), SARS-CoV-2 detection and testing (7 papers) and COVID-19 epidemiological studies (6 papers). Katherine A. Twohig collaborates with scholars based in United Kingdom, Australia and United States. Katherine A. Twohig's co-authors include Gavin Dabrera, Ross Harris, André Charlett, Asad Zaidi, Jamie Lopez Bernal, Anne M. Presanis, Shaun R. Seaman, Tommy Nyberg, Daniela De Angelis and Shirin Aliabadi and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and The Journal of Infectious Diseases.

In The Last Decade

Katherine A. Twohig

16 papers receiving 843 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.

Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study

2021 372 citations Katherine A. Twohig, Tommy Nyberg et al. Cronfa (Swansea University) profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Katherine A. Twohig United Kingdom	8	555	192	192	83	80	17	855
Susanne H. Hodgson United Kingdom	14	423 0.8×	190 1.0×	102 0.5×	191 2.3×	93 1.2×	24	864
Abdullatif Al Khal Qatar	14	814 1.5×	53 0.3×	201 1.0×	72 0.9×	175 2.2×	20	1.0k
Mohammad Hossein Razizadeh Iran	11	347 0.6×	94 0.5×	48 0.3×	142 1.7×	117 1.5×	35	701
Krutika Kuppalli United States	9	530 1.0×	196 1.0×	70 0.4×	26 0.3×	177 2.2×	16	825
Saied Ghorbani Iran	13	486 0.9×	106 0.6×	60 0.3×	160 1.9×	178 2.2×	49	1.0k
Abdulmohsen Almulhim Saudi Arabia	9	710 1.3×	79 0.4×	290 1.5×	25 0.3×	136 1.7×	18	1.0k
Thomas A. Rawlinson United Kingdom	6	712 1.3×	128 0.7×	81 0.4×	278 3.3×	76 0.9×	8	958
Zeyao Zhao China	9	470 0.8×	44 0.2×	278 1.4×	122 1.5×	79 1.0×	15	663
Matt D. T. Hitchings United States	14	1.1k 1.9×	63 0.3×	274 1.4×	259 3.1×	126 1.6×	38	1.4k
Sebastian Hoehl Germany	15	975 1.8×	51 0.3×	174 0.9×	45 0.5×	137 1.7×	33	1.2k

Countries citing papers authored by Katherine A. Twohig

Since Specialization

Citations

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

Fields of papers citing papers by Katherine A. Twohig

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Katherine A. Twohig. 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 Katherine A. Twohig. The network helps show where Katherine A. Twohig may publish in the future.

Co-authorship network of co-authors of Katherine A. Twohig

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

All Works

Sort: Min cites: Since: Top N: Style:

17 of 17 papers shown

Prystajecky, Natalie, Shannon Russell, Agatha N. Jassem, et al.. (2025). Spatiotemporal estimation of actively shedding mpox virus, clade IIb, cases using wastewater signals in British Columbia, Canada. Environment International. 206. 109922–109922.

Twohig, Katherine A., Katie Harman, Asad Zaidi, et al.. (2023). Representativeness of whole-genome sequencing approaches in England: the importance for understanding inequalities associated with SARS-CoV-2 infection. Epidemiology and Infection. 151. e169–e169. 1 indexed citations

Sinnathamby, Mary, Asad Zaidi, Katherine A. Twohig, et al.. (2023). Descriptive epidemiology of SARS‐CoV‐2 Beta (B.1.351) variant cases in England, December 2020 to June 2022. Influenza and Other Respiratory Viruses. 17(11). e13204–e13204. 1 indexed citations

Nguyen, Huong Lan Thi, Paul Castle, Susan F. Rumisha, et al.. (2023). Trends in treatment-seeking for fever in children under five years old in 151 countries from 1990 to 2020. SHILAP Revista de lepidopterología. 3(8). e0002134–e0002134. 5 indexed citations

Twohig, Katherine A., Asad Zaidi, Inês Campos-Matos, et al.. (2023). Rapid rise in COVID-19 among young people in England – learning for the future. Public Health. 218. 136–138. 1 indexed citations

Flannagan, Joe, Katherine A. Twohig, Emma Carter, et al.. (2022). Increased Residential Clustering of COVID-19 Cases Associated With SARS-CoV-2 Variant of Concern B.1.1.7. Epidemiology. 33(4). 465–469. 4 indexed citations

Lucas, Tim, A. Nandi, Elisabeth G. Chestnutt, et al.. (2021). Mapping Malaria by Sharing Spatial Information Between Incidence and Prevalence Data Sets. Journal of the Royal Statistical Society Series C (Applied Statistics). 70(3). 733–749. 3 indexed citations

Allen, Hester, Amoolya Vusirikala, Joe Flannagan, et al.. (2021). Household transmission of COVID-19 cases associated with SARS-CoV-2 delta variant (B.1.617.2): national case-control study. The Lancet Regional Health - Europe. 12. 100252–100252. 131 indexed citations

Twohig, Katherine A., et al.. (2021). Timeliness and completeness of laboratory-based surveillance of COVID-19 cases in England. Public Health. 194. 163–166. 33 indexed citations

10.

Vusirikala, Amoolya, Joe Flannagan, Asad Zaidi, et al.. (2021). Impact of SARS-CoV-2 Alpha variant (B.1.1.7) on prisons, England. Public Health. 204. 21–24. 3 indexed citations

11.

Twohig, Katherine A., Tommy Nyberg, Asad Zaidi, et al.. (2021). Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study. Cronfa (Swansea University). 372 indexed citations breakdown →

12.

Hall, Jennifer, Ross Harris, Anika Singanayagam, et al.. (2021). On the Sensitivity and Specificity of Postmortem Upper Respiratory Tract Testing for SARS-CoV-2. The Journal of Infectious Diseases. 224(3). 389–394. 5 indexed citations

13.

Nyberg, Tommy, Katherine A. Twohig, Ross Harris, et al.. (2021). Risk of hospital admission for patients with SARS-CoV-2 variant B.1.1.7: cohort analysis. Apollo (University of Cambridge). 85 indexed citations

14.

Dalrymple, Ursula, Ewan Cameron, Rohan Arambepola, et al.. (2019). The contribution of non-malarial febrile illness co-infections to Plasmodium falciparum case counts in health facilities in sub-Saharan Africa. Malaria Journal. 18(1). 195–195. 18 indexed citations

15.

Roddy, Paul, Ursula Dalrymple, Tomas Ø. Jensen, et al.. (2019). Quantifying the incidence of severe-febrile-illness hospital admissions in sub-Saharan Africa. PLoS ONE. 14(7). e0220371–e0220371. 16 indexed citations

16.

Twohig, Katherine A., Daniel Pfeffer, J. Kevin Baird, et al.. (2019). Growing evidence of Plasmodium vivax across malaria-endemic Africa. PLoS neglected tropical diseases. 13(1). e0007140–e0007140. 112 indexed citations

17.

Pfeffer, Daniel, Tim Lucas, Daniel May, et al.. (2018). malariaAtlas: an R interface to global malariometric data hosted by the Malaria Atlas Project. Malaria Journal. 17(1). 352–352. 65 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.

Explore authors with similar magnitude of impact