High-frequency changes in pilin glycosylation patterns during <em>Neisseria meningitidis</em> serogroup a meningitis outbreaks in the African... (Publications)
In the meningitis belt of sub-Saharan Africa, there are cyclic meningococcal epidemics that coincide with clonal waves of Neisseria meningitidis carriage and invasive disease. In the framework of long
Long-term air pollution exposure and malignant intracranial tumours of the central nervous system: a pooled analysis of six European cohorts (Publications)
BACKGROUND: Risk factors for malignant tumours of the central nervous system (CNS) are largely unknown. METHODS: We pooled six European cohorts (N = 302,493) and assessed the association between resid
Changes in Healthcare Utilization During the COVID-19 Pandemic and Potential Causes-A Cohort Study From Switzerland (Publications)
Objectives: To describe the frequency of and reasons for changes in healthcare utilization in those requiring ongoing treatment, and to assess characteristics associated with change, during the second
The Ready-to-Go Questionnaire predicts health outcomes during travel: a smartphone application-based analysis (Publications)
BACKGROUND: The Ready-To-Go (R2G) Questionnaire is a tool for rapid assessment of health risks for travel consultation. This study aims to assess the utility of the R2G Questionnaire in identifying hi
Re-evaluating our knowledge of health system resilience during COVID-19: lessons from the first two years of the pandemic (Publications)
BACKGROUND: Health challenges like coronavirus disease 2019 (COVID-19) are becoming increasingly complex, transnational, and unpredictable. Studying health system responses to the COVID-19 pandemic is
The quality of OpenStreetMap food-related point-of-interest data for use in epidemiological research (Publications)
We assessed the quality of food-related OpenStreetMap (OSM) data in urban areas of five European countries. We calculated agreement statistics between point-of-interests (POIs) from OSM and from Googl
Legionnaires' disease in Switzerland: rationale and study protocol of a prospective national case-control and molecular source attribution study... (Publications)
Switzerland has one of the highest annual Legionnaires' disease (LD) notification rates in Europe (7.8 cases/100,000 population in 2021). The main sources of infection and the cause for this high rate