Georgios Varotsis
PhD student at Department of Medical Sciences; Molecular epidemiology
- E-mail:
- georgios.varotsis@medsci.uu.se
- Visiting address:
- Epihubben, MTC-huset
Dag Hammarskjölds väg 14B, BV
751 85 Uppsala - Postal address:
- EpiHubben, MTC-huset
751 85 Uppsala
- ORCID:
- 0000-0002-3320-2448
Short presentation
Experienced Epidemiologist with expertise in public health responses and surveillance of pandemic threats. Pursuing a PhD at Uppsala University, focusing on pandemic preparedness, real-time infection prediction, vaccine safety, and optimizing vaccination strategies. Using advanced data analysis methods, including machine learning, text analytics, and discontinuity analysis, using R and Python. Passionate about generating actionable insights to enhance public health interventions and policy.
Keywords
- natural language processing
- epidemiology
- public health
- infectious diseases
- causal inference
- spatio-temporal data
- covid-19
- vaccination strategies
- pandemic preparedness
- topic modeling
- discontinuity analysis
- bertopic
Biography
Vice Chair of The Medical Doctoral Student Council (Medicinska Doktorandrådet), Uppsala University (2022-2023)
Student representative for the Medical Faculty in the Equal Opportunities Committee at Uppsala University (Kommittén för lika villkor) (2022-2023)
Research
On-going projects:
- SWECOV (https://swecov.se/)
- SWEDCOVAX
- COVID Symptom Study Sweden (https://www.covid19app.lu.se/)
Media
Tove Fall Research Group (Molecular Epidemiology)
Our research section focuses on molecular epidemiology with emphasis on cardiometabolic disturbances like obesity, insulin resistance and their role in the development of cardiovascular diseases.

Publications
Recent publications
Part of European Journal of Public Health, p. 795-802, 2025
- DOI for Effect of COVID-19 vaccination appointment letters on uptake by sociodemographic characteristics: a regression discontinuity analysis in Sweden, December 2020 to September 2021
- Download full text (pdf) of Effect of COVID-19 vaccination appointment letters on uptake by sociodemographic characteristics: a regression discontinuity analysis in Sweden, December 2020 to September 2021
The association between the gut microbiome and 24-h blood pressure measurements in the SCAPIS study
Part of Communications Medicine, 2025
- DOI for The association between the gut microbiome and 24-h blood pressure measurements in the SCAPIS study
- Download full text (pdf) of The association between the gut microbiome and 24-h blood pressure measurements in the SCAPIS study
Part of Spatial and Spatio-temporal Epidemiology, 2024
- DOI for Predicting COVID-19 hospitalizations: The importance of healthcare hotlines, test positivity rates and vaccination coverage
- Download full text (pdf) of Predicting COVID-19 hospitalizations: The importance of healthcare hotlines, test positivity rates and vaccination coverage
Part of European Journal of Public Health, p. 14-21, 2024
- DOI for Sociodemographic characteristics and COVID-19 testing rates: spatiotemporal patterns and impact of test accessibility in Sweden
- Download full text (pdf) of Sociodemographic characteristics and COVID-19 testing rates: spatiotemporal patterns and impact of test accessibility in Sweden
Part of Environment International, 2023
- DOI for Plasma levels of per- and polyfluoroalkyl substances (PFAS) and cardiovascular disease - Results from two independent population-based cohorts and a meta-analysis
- Download full text (pdf) of Plasma levels of per- and polyfluoroalkyl substances (PFAS) and cardiovascular disease - Results from two independent population-based cohorts and a meta-analysis
All publications
Articles in journal
Part of European Journal of Public Health, p. 795-802, 2025
- DOI for Effect of COVID-19 vaccination appointment letters on uptake by sociodemographic characteristics: a regression discontinuity analysis in Sweden, December 2020 to September 2021
- Download full text (pdf) of Effect of COVID-19 vaccination appointment letters on uptake by sociodemographic characteristics: a regression discontinuity analysis in Sweden, December 2020 to September 2021
The association between the gut microbiome and 24-h blood pressure measurements in the SCAPIS study
Part of Communications Medicine, 2025
- DOI for The association between the gut microbiome and 24-h blood pressure measurements in the SCAPIS study
- Download full text (pdf) of The association between the gut microbiome and 24-h blood pressure measurements in the SCAPIS study
Part of Spatial and Spatio-temporal Epidemiology, 2024
- DOI for Predicting COVID-19 hospitalizations: The importance of healthcare hotlines, test positivity rates and vaccination coverage
- Download full text (pdf) of Predicting COVID-19 hospitalizations: The importance of healthcare hotlines, test positivity rates and vaccination coverage
Part of European Journal of Public Health, p. 14-21, 2024
- DOI for Sociodemographic characteristics and COVID-19 testing rates: spatiotemporal patterns and impact of test accessibility in Sweden
- Download full text (pdf) of Sociodemographic characteristics and COVID-19 testing rates: spatiotemporal patterns and impact of test accessibility in Sweden
Part of Environment International, 2023
- DOI for Plasma levels of per- and polyfluoroalkyl substances (PFAS) and cardiovascular disease - Results from two independent population-based cohorts and a meta-analysis
- Download full text (pdf) of Plasma levels of per- and polyfluoroalkyl substances (PFAS) and cardiovascular disease - Results from two independent population-based cohorts and a meta-analysis
Part of Circulation, p. 459-472, 2023
- DOI for Streptococcus Species Abundance in the Gut Is Linked to Subclinical Coronary Atherosclerosis in 8973 Participants From the SCAPIS Cohort
- Download full text (pdf) of Streptococcus Species Abundance in the Gut Is Linked to Subclinical Coronary Atherosclerosis in 8973 Participants From the SCAPIS Cohort
Part of Nature Communications, 2022
- DOI for App-based COVID-19 syndromic surveillance and prediction of hospital admissions in COVID Symptom Study Sweden
- Download full text (pdf) of App-based COVID-19 syndromic surveillance and prediction of hospital admissions in COVID Symptom Study Sweden
Part of Scientific Reports, 2022
- DOI for Spatio-temporal predictions of COVID-19 test positivity in Uppsala County, Sweden: a comparative approach
- Download full text (pdf) of Spatio-temporal predictions of COVID-19 test positivity in Uppsala County, Sweden: a comparative approach
An online atlas of human plasma metabolite signatures of gut microbiome composition
Part of Nature Communications, 2022
- DOI for An online atlas of human plasma metabolite signatures of gut microbiome composition
- Download full text (pdf) of An online atlas of human plasma metabolite signatures of gut microbiome composition