Roberto Bertollini
World Health Organization Office At The European Union
Brussels, BRU, Belgium
Brussels, BRU, Belgium
Last Updated: 09/26/2026
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Found 103 publications
Effectiveness of ChAdOx1 nCoV-19 (Vaxzevria) primary series vaccine against SARS-CoV-2 beta and delta variants: a nationwide study.
Journal: BMC infectious diseases
Published: March 29, 2025
Evaluating Hospital Admission Data as Indicators of COVID-19 Severity: A National Assessment in Qatar.
Journal: Open forum infectious diseases
Published: November 17, 2024
Evaluating the cost-effectiveness of COVID-19 mRNA primary-series vaccination in Qatar: An integrated epidemiological and economic analysis.
Journal: PloS one
Published: October 01, 2024
Protection conferred by SARS-CoV-2 infection across a spectrum of reinfection symptoms and severities.
Journal: BMJ open respiratory research
Published: September 18, 2024
Immune histories and natural infection protection during the omicron era.
Journal: Communications medicine
Published: September 17, 2024
BNT162b2 Versus mRNA-1273 Vaccines: Comparative Analysis of Long-Term Protection Against SARS-CoV-2 Infection and Severe COVID-19 in Qatar.
Journal: Influenza and other respiratory viruses
Published: April 21, 2024
Leveraging wastewater surveillance for managing the spread of SARS-CoV-2 and concerned pathogens during FIFA World Cup Qatar 2022.
Journal: Heliyon
Published: March 28, 2024
Protection of natural infection against reinfection with SARS-CoV-2 JN.1 variant.
Journal: Journal of travel medicine
Published: March 19, 2024
Differential protection against SARS-CoV-2 reinfection pre- and post-Omicron.
Journal: Nature
Published: March 07, 2024
Last Updated: 09/26/2026