Sam Ghebrehewet

1.6k total citations · 1 hit paper
42 papers, 770 citations indexed

About

Sam Ghebrehewet is a scholar working on Epidemiology, Health and General Health Professions. According to data from OpenAlex, Sam Ghebrehewet has authored 42 papers receiving a total of 770 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Epidemiology, 12 papers in Health and 10 papers in General Health Professions. Recurrent topics in Sam Ghebrehewet's work include Virology and Viral Diseases (10 papers), Vaccine Coverage and Hesitancy (10 papers) and Influenza Virus Research Studies (8 papers). Sam Ghebrehewet is often cited by papers focused on Virology and Viral Diseases (10 papers), Vaccine Coverage and Hesitancy (10 papers) and Influenza Virus Research Studies (8 papers). Sam Ghebrehewet collaborates with scholars based in United Kingdom, France and Iran. Sam Ghebrehewet's co-authors include Peter MacPherson, Soheil Ebrahimpour, Mohammad Barary, Veerendra Koppolu, Mostafa Javanian, A. Keenan, Antonia Ho, Roberto Vivancos, Daniel Hungerford and Philip McHale and has published in prestigious journals such as BMJ, The Lancet Infectious Diseases and Journal of Epidemiology & Community Health.

In The Last Decade

Sam Ghebrehewet

37 papers receiving 751 citations

Hit Papers

align trajectories sort by overperformance

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.

A brief review of influenza virus infection

2021 266 citations Sam Ghebrehewet et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Sam Ghebrehewet United Kingdom	13	493	240	194	115	108	42	770
Emily Lutterloh United States	14	479 1.0×	153 0.6×	822 4.2×	78 0.7×	143 1.3×	33	1.1k
Daniela Rivetti Italy	12	1.1k 2.3×	253 1.1×	243 1.3×	196 1.7×	120 1.1×	26	1.5k
Joseph A. Lewnard United States	13	333 0.7×	89 0.4×	302 1.6×	59 0.5×	69 0.6×	28	869
Ayesha J Verrall New Zealand	17	303 0.6×	72 0.3×	431 2.2×	232 2.0×	69 0.6×	28	886
Stefania Iannazzo Italy	18	543 1.1×	390 1.6×	196 1.0×	69 0.6×	14 0.1×	41	853
Valentina Picot France	15	242 0.5×	86 0.4×	239 1.2×	68 0.6×	56 0.5×	43	716
Vipin M. Vashishtha India	20	300 0.6×	239 1.0×	418 2.2×	67 0.6×	51 0.5×	70	870
Jessie R. Chung United States	22	1.6k 3.3×	323 1.3×	551 2.8×	261 2.3×	157 1.5×	56	1.9k
Sophie Gubbels Denmark	14	244 0.5×	111 0.5×	703 3.6×	52 0.5×	62 0.6×	33	1.1k

Countries citing papers authored by Sam Ghebrehewet

Since Specialization

Citations

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

Fields of papers citing papers by Sam Ghebrehewet

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Sam Ghebrehewet

This figure shows the co-authorship network connecting the top 25 collaborators of Sam Ghebrehewet. A scholar is included among the top collaborators of Sam Ghebrehewet 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 Sam Ghebrehewet. Sam Ghebrehewet 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

Gibbons, Cheryl, Ting Shi, Christopher Sullivan, et al.. (2025). RSV Vaccination Programme for Older Adults: A Scotland-Wide Study on RSVpreF Vaccine Safety. Vaccines. 13(11). 1088–1088.

McQueenie, Ross, Safraj Shahul Hameed, Cheryl Gibbons, et al.. (2025). Effectiveness of the maternal RSVpreF vaccine against severe disease in infants in Scotland, UK: a national, population-based case–control study and cohort analysis. The Lancet Infectious Diseases. 26(4). 362–373.

Hameed, Safraj Shahul, et al.. (2025). Early evidence of RSV vaccination impact on hospitalisation rates of older people in Scotland. The Lancet Infectious Diseases. 25(3). 256–258. 6 indexed citations

Clayton, Stephen, et al.. (2024). ‘A system that is struggling’: understanding health protection resilience in England during the COVID-19 pandemic through the experiences of local health protection responders. BMC Health Services Research. 24(1). 181–181. 1 indexed citations

Tulloch, John, et al.. (2023). COVID-19 vaccine hesitancy in care home staff: A survey of Liverpool care homes. Vaccine. 41(7). 1290–1294. 2 indexed citations

Bell, Sadie, et al.. (2020). Responding to measles outbreaks in underserved Roma and Romanian populations in England: the critical role of community understanding and engagement. Epidemiology and Infection. 148. e138–e138. 12 indexed citations

Ghebrehewet, Sam, Anthony Harries, Merav Kliner, et al.. (2019). Adapting the Structured Operational Research Training Initiative (SORT IT) for high-income countries. Public Health Action. 9(2). 69–71.

MacPherson, Peter, Andrew J. Fox, Sam Ghebrehewet, et al.. (2017). An Outbreak of Pseudomonas Aeruginosa Infection Linked to a “Black Friday” Piercing Event. PLoS Currents. 9. 3 indexed citations

Kliner, Merav, A. Keenan, David Sinclair, Sam Ghebrehewet, & Paul Garner. (2016). Influenza vaccination for healthcare workers in the UK: appraisal of systematic reviews and policy options. BMJ Open. 6(9). e012149–e012149. 24 indexed citations

10.

Ghebrehewet, Sam, et al.. (2016). The economic cost of measles: Healthcare, public health and societal costs of the 2012–13 outbreak in Merseyside, UK. Vaccine. 34(15). 1823–1831. 24 indexed citations

11.

Ghebrehewet, Sam & Alexander Stewart. (2016). Who is involved in health protection?. Oxford University Press eBooks.

12.

Ghebrehewet, Sam, et al.. (2016). What is health protection?. Oxford University Press eBooks. 1 indexed citations

13.

McHale, Philip, A. Keenan, & Sam Ghebrehewet. (2015). Reasons for measles cases not being vaccinated with MMR: investigation into parents' and carers' views following a large measles outbreak. Epidemiology and Infection. 144(4). 870–875. 33 indexed citations

14.

Hungerford, Daniel, et al.. (2015). Effect of socioeconomic deprivation on uptake of measles, mumps and rubella vaccination in Liverpool, UK over 16 years: a longitudinal ecological study. Epidemiology and Infection. 144(6). 1201–1211. 41 indexed citations

15.

Hungerford, Daniel, Paul Cleary, Sam Ghebrehewet, A. Keenan, & Roberto Vivancos. (2013). Risk factors for transmission of measles during an outbreak: matched case–control study. Journal of Hospital Infection. 86(2). 138–143. 12 indexed citations

16.

Ghebrehewet, Sam, et al.. (2012). Outbreak of measles in Central and Eastern Cheshire, UK, October 2008–February 2009. Epidemiology and Infection. 141(9). 1849–1856. 12 indexed citations

17.

Ghebrehewet, Sam, J Hart, Sandra P. Whiteside, et al.. (2009). Probable zoonotic transmission of verocytotoxigenic Escherichia coli O157 by dogs. Veterinary Record. 164(10). 304–305. 11 indexed citations

18.

Ghebrehewet, Sam, et al.. (2008). Intradermal recombinant hepatitis B vaccination (IDRV) for non-responsive healthcare workers (HCWs). Human Vaccines. 4(4). 280–285. 12 indexed citations

19.

Ghebrehewet, Sam, et al.. (2003). MMR vaccine uptake rates: a data validation study.. PubMed. 6(2). 144–6. 6 indexed citations

20.

Ghebrehewet, Sam. (2002). Provision of services to asylum seekers. Are there lessons from the experience with Kosovan refugees?. Journal of Epidemiology & Community Health. 56(3). 223–226. 5 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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