Vana Sypsa

10.1k total citations · 1 hit paper
132 papers, 3.4k citations indexed

About

Vana Sypsa is a scholar working on Epidemiology, Infectious Diseases and Hepatology. According to data from OpenAlex, Vana Sypsa has authored 132 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 90 papers in Epidemiology, 59 papers in Infectious Diseases and 46 papers in Hepatology. Recurrent topics in Vana Sypsa's work include Hepatitis C virus research (45 papers), HIV/AIDS Research and Interventions (35 papers) and Hepatitis B Virus Studies (34 papers). Vana Sypsa is often cited by papers focused on Hepatitis C virus research (45 papers), HIV/AIDS Research and Interventions (35 papers) and Hepatitis B Virus Studies (34 papers). Vana Sypsa collaborates with scholars based in Greece, United States and United Kingdom. Vana Sypsa's co-authors include Angelos Hatzakis, Dimitrios Paraskevis, Mina Psichοgiou, Georgios K. Nikolopoulos, Athanasios Skoutelis, Meni Malliori, Samuel R. Friedman, George L. Daikos, Vivì Miriagou and L. S. Tzouvelekis and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and The Science of The Total Environment.

In The Last Decade

Vana Sypsa

124 papers receiving 3.3k 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.

Carbapenemase-Producing Klebsiella pneumoniae Bloodstream Infections: Lowering Mortality by Antibiotic Combination Schemes and the Role of Carbapenems

2014 463 citations George L. Daikos, L. S. Tzouvelekis et al. Antimicrobial Agents and Chemotherapy profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Vana Sypsa Greece	32	2.1k	1.2k	1.0k	469	411	132	3.4k
Michael Augenbraun United States	29	1.3k 0.6×	1.0k 0.8×	309 0.3×	158 0.3×	463 1.1×	97	3.4k
Helmut Albrecht United States	31	1.0k 0.5×	1.4k 1.2×	153 0.1×	197 0.4×	865 2.1×	121	3.1k
Simon Portsmouth United States	24	1.5k 0.7×	786 0.6×	149 0.1×	856 1.8×	351 0.9×	62	2.9k
Katia Boggian Switzerland	21	1.4k 0.6×	1.4k 1.1×	530 0.5×	63 0.1×	456 1.1×	58	2.4k
Philippa C. Matthews United Kingdom	34	1.6k 0.7×	1.6k 1.3×	951 0.9×	54 0.1×	1.0k 2.5×	141	4.1k
Markus Flepp Switzerland	33	2.0k 1.0×	4.1k 3.3×	789 0.8×	65 0.1×	2.8k 6.7×	74	5.6k
Cécile Tremblay Canada	39	1.7k 0.8×	2.7k 2.2×	372 0.4×	85 0.2×	3.2k 7.7×	240	6.1k
Fernando de la Hoz Colombia	27	1.3k 0.6×	613 0.5×	289 0.3×	262 0.6×	35 0.1×	226	2.9k
Sophie Matheron France	39	1.8k 0.8×	2.7k 2.2×	457 0.4×	104 0.2×	2.2k 5.4×	203	5.0k
Jean Vincelette Canada	25	1.1k 0.5×	885 0.7×	386 0.4×	59 0.1×	262 0.6×	72	2.1k

Countries citing papers authored by Vana Sypsa

Since Specialization

Citations

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

Fields of papers citing papers by Vana Sypsa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Vana Sypsa

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

Roussos, Sotirios, et al.. (2024). WED-478 Telehealth accessibility and acceptability among people who use drugs. Journal of Hepatology. 80. S680–S680. 1 indexed citations

Poulakou, Garyphallia, et al.. (2023). Depression in medical students during the COVID-19 lockdown in Greece. Psychiatriki. 34(4). 322–330. 1 indexed citations

Roussos, Sotirios, Dimitrios Paraskevis, Mina Psichοgiou, et al.. (2022). Ongoing HIV transmission following a large outbreak among people who inject drugs in Athens, Greece (2014–20). Addiction. 117(6). 1670–1682. 4 indexed citations

Hatzakis, Angelos, Andreas Karabinis, Sotirios Roussos, et al.. (2022). Modelling SARS-CoV-2 Binding Antibody Waning 8 Months after BNT162b2 Vaccination. Vaccines. 10(2). 285–285. 11 indexed citations

Sypsa, Vana, Ioannis Hodges-Mameletzis, & Sotirios Tsiodras. (2022). Transmission Potential of Human Monkeypox in Mass Gatherings. Open Forum Infectious Diseases. 9(11). ofac501–ofac501. 3 indexed citations

Lim, Aaron G., Peter Vickerman, Dimitrios Paraskevis, et al.. (2022). Modeling the impact of interventions during an outbreak of HIV infection among people who inject drugs in 2012–2013 in Athens, Greece.. Drug and Alcohol Dependence. 234. 109396–109396. 3 indexed citations

Chaintoutis, Serafeim C., Ioanna Stylianaki, Sofia Michailidou, et al.. (2021). Outbreaks of SARS-CoV-2 in naturally infected mink farms: Impact, transmission dynamics, genetic patterns, and environmental contamination. PLoS Pathogens. 17(9). e1009883–e1009883. 25 indexed citations

Psichοgiou, Mina, Andreas Karabinis, Ioanna D. Pavlopoulou, et al.. (2020). Antibodies against SARS-CoV-2 among health care workers in a country with low burden of COVID-19. PLoS ONE. 15(12). e0243025–e0243025. 40 indexed citations

Touloumi, Giota, Vana Sypsa, Agis Terzidis, et al.. (2019). Design and Development of a Viral Hepatitis and HIV Infection Screening Program (Hprolipsis) for the General, Greek Roma, and Migrant Populations of Greece: Protocol for Three Cross-Sectional Health Examination Surveys. JMIR Research Protocols. 9(1). e13578–e13578. 9 indexed citations

10.

Nikolopoulos, Georgios K., Anastasios Fotiou, Clive Richardson, et al.. (2015). National Income Inequality and Declining GDP Growth Rates Are Associated with Increases in HIV Diagnoses among People Who Inject Drugs in Europe: A Panel Data Analysis. PLoS ONE. 10(4). e0122367–e0122367. 34 indexed citations

11.

Daikos, George L., L. S. Tzouvelekis, Ioannis Anyfantis, et al.. (2014). Carbapenemase-Producing Klebsiella pneumoniae Bloodstream Infections: Lowering Mortality by Antibiotic Combination Schemes and the Role of Carbapenems. Antimicrobial Agents and Chemotherapy. 58(4). 2322–2328. 463 indexed citations breakdown →

12.

Dessinioti, Clio, Kimon Tzannis, Vana Sypsa, et al.. (2011). Epidemiologic risk factors of basal cell carcinoma development and age at onset in a Southern European population from Greece. Experimental Dermatology. 20(8). 622–626. 33 indexed citations

13.

Baka, Agoritsa, et al.. (2010). Deaths and hospitalizations related to 2009 pandemic influenza a (H1N1) - Greece, May 2009-February 2010.. MMWR Morbidity and Mortality Weekly Report. 59(22). 682–686. 28 indexed citations

14.

Paraskevis, Dimitrios, Gkikas Magiorkinis, Emmanouil Magiorkinis, et al.. (2008). Correlation between patterns of HIV-1 drug resistance and drug administration in antiretroviral experienced patients in Greece during 1999–2006. Journal of the International AIDS Society. 11(Suppl 1). P186–P186. 2 indexed citations

15.

Stratigos, Alexander, Vasiliki Nikolaou, Myrto Poulou, et al.. (2006). Melanocortin Receptor-1 Gene Polymorphisms and the Risk of Cutaneous Melanoma in a Low-Risk Southern European Population. Journal of Investigative Dermatology. 126(8). 1842–1849. 70 indexed citations

16.

Katsoulidou, Antigoni, Vana Sypsa, Eleni Papachristou, et al.. (2005). Evaluation of the clinical sensitivity for the quantification of human immunodeficiency virus type 1 RNA in plasma: Comparison of the new COBAS TaqMan HIV-1 with three current HIV-RNA assays—LCx HIV RNA quantitative, VERSANT HIV-1 RNA 3.0 (bDNA) and COBAS AMPLICOR HIV-1 Monitor v1.5. Journal of Virological Methods. 131(2). 168–174. 32 indexed citations

17.

Sypsa, Vana, Giota Touloumi, N. Tassopoulos, et al.. (2004). Reconstructing and predicting the hepatitis C virus epidemic in Greece: increasing trends of cirrhosis and hepatocellular carcinoma despite the decline in incidence of HCV infection. Journal of Viral Hepatitis. 11(4). 366–374. 37 indexed citations

18.

Vafiadis, Irene, D. Tsantoulas, G. Hatzis, et al.. (2002). IFN- α 2b Monotherapy in Patients with Chronic Hepatitis C and Persistently Normal or Near Normal Aminotransferase Activity: A Randomized, Controlled Study. Journal of Interferon & Cytokine Research. 22(3). 365–369. 9 indexed citations

19.

Tassopoulos, N.C., et al.. (2001). Histological improvement in chronic hepatitis C patients treated with combination of Alpha-Interferon and ribavirin who failed previously to respond to interferon monotherapy. Annals of Gastroenterology. 14(4). 1 indexed citations

20.

Hatzakis, Angelos, Panagiotis Gargalianos, Marios Lazanas, et al.. (2001). Low-Dose IFN- α Monotherapy in Treatment-Naive Individuals with HIV-1 Infection: Evidence of Potent Suppression of Viral Replication. Journal of Interferon & Cytokine Research. 21(10). 861–869. 43 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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