Publications de David Nicolas De Ridder

Genomic and spatial epidemiology: lessons learned from SARS-CoV-2 pandemic

Purpose of review The SARS-CoV-2 pandemic presented unprecedented challenges, particularly in understanding its complex spatial transmission patterns. The high transmissibility of the virus led to frequent super-spreading events. These events demonstrated ...

2025

Spatial dependence of non-traumatic out-of-hospital cardiac arrest in a Swiss region: A retrospective analysis

Stéphane Joost, Anaïs Laurence Ladoy, David Nicolas De Ridder, Idris Guessous

Background: Out-of-hospital cardiac arrest (OHCA) incidence and survival often vary within regions according to patient-related and contextual factors. This study aims to establish the overall spatial dependence of incidence, bystander cardiopulmonary resu ...

Elsevier BV2024

Environmental and geographical factors influencing the spread of SARS-CoV-2 over 2 years: a fine-scale spatiotemporal analysis

Stéphane Joost, Anaïs Laurence Ladoy, David Nicolas De Ridder

Introduction Since its emergence in late 2019, the SARS-CoV-2 virus has led to a global health crisis, affecting millions and reshaping societies and economies worldwide. Investigating the determinants of SARS-CoV-2 diffusion and their spatiotemporal dynam ...

FRONTIERS MEDIA SA2024

Prevalence of and Risk Factors for Suicidal Ideation in Adolescents During the Covid-19 Pandemic: a Cross-sectional Study

David Nicolas De Ridder

BACKGROUND AND OBJECTIVES: Pandemic-related life changes may have had a deleterious impact on suicidal behaviours. Early detection of suicidal ideation and identification of subgroups at increased risk could help prevent suicide, one of the leading causes ...

SMW supporting association2024

The neighborhood environment and its association with the spatio-temporal footprint of tobacco consumption and changes in smoking-related behaviors in a Swiss urban area

Stéphane Joost, David Nicolas De Ridder, Idris Guessous

This study aimed to evaluate the association of the neighborhood environment with the spatio-temporal dependence of tobacco consumption and changes in smoking-related behaviors in a Swiss urban area. ...

ELSEVIER SCI LTD2022

Detection of SARS-CoV-2 infection clusters: The useful combination of spatiotemporal clustering and genomic analyses

Stéphane Joost, Anaïs Laurence Ladoy, David Nicolas De Ridder

BackgroundThe need for effective public health surveillance systems to track virus spread for targeted interventions was highlighted during the COVID-19 pandemic. It spurred an interest in the use of spatiotemporal clustering and genomic analyses to identi ...

FRONTIERS MEDIA SA2022

Geospatial Analysis of Sodium and Potassium Intake: A Swiss Population-Based Study

Stéphane Joost, David Nicolas De Ridder, Murielle Bochud, Idris Guessous

Inadequate sodium and potassium dietary intakes are associated with major, yet preventable, health consequences. Local public health interventions can be facilitated and informed by fine-scale geospatial analyses. In this study, we assess the existence of ...

MDPI2021

Geographic footprints of life expectancy inequalities in the state of Geneva, Switzerland

Stéphane Joost, Anaïs Laurence Ladoy, David Nicolas De Ridder, Idris Guessous

Though Switzerland has one of the highest life expectancies in the world, this global indicator may mask significant disparities at a local level. The present study used a spatial cluster detection approach based on individual death records to investigate ...

Nature Portfolio2021

Detection of Spatiotemporal Clusters of COVID-19-Associated Symptoms and Prevention Using a Participatory Surveillance App: Protocol for the @choum Study

Stéphane Joost, David Nicolas De Ridder, Idris Guessous

Background: The early detection of clusters of infectious diseases such as the SARS-CoV-2-related COVID-19 disease can promote timely testing recommendation compliance and help to prevent disease outbreaks. Prior research revealed the potential of COVID-19 ...

JMIR PUBLICATIONS, INC2021

Socioeconomically Disadvantaged Neighborhoods Face Increased Persistence of SARS-CoV-2 Clusters

Stéphane Joost, David Nicolas De Ridder, Idris Guessous

Objective: To investigate the association between socioeconomic deprivation and the persistence of SARS-CoV-2 clusters. ...

FRONTIERS MEDIA SA2021

Can Big Data Be Used to Monitor the Mental Health Consequences of COVID-19?

David Nicolas De Ridder

2021

Geospatial digital monitoring of COVID-19 cases at high spatiotemporal resolution

Stéphane Joost, David Nicolas De Ridder, Idris Guessous

SARS-CoV-2 spreads via close contact during daily activities, forming clusters of cases mainly in households and workplaces. A crucial challenge to contain the spread lies in the early detection of these outbreak clusters, and the localisation and isolatio ...

2020

Seroprevalence of anti-SARS-CoV-2 IgG antibodies in Geneva, Switzerland (SEROCoV-POP): a population-based study

Didier Trono, Dusan Petrovic, Benjamin André René Meyer, David Nicolas De Ridder, Idris Guessous

Assessing the burden of COVID-19 on the basis of medically attended case numbers is suboptimal given its reliance on testing strategy, changing case definitions, and disease presentation. Population-based serosurveys measuring anti-severe acute respiratory ...

2020

Overlapping spatial clusters of sugar-sweetened beverage intake and body mass index in Geneva state, Switzerland

Stéphane Joost, Beatrice Bacchilega, David Nicolas De Ridder, Idris Guessous

Background: Obesity and obesity-related diseases represent a major public health concern. Recently, studies have substantiated the role of sugar-sweetened beverages (SSBs) consumption in the development of these diseases.The fine identification of populati ...

Springer2019

Detecting overlapping spatial clusters of high sugar-sweetened beverage intake and high body mass index in a general population: a cross-sectional study

Stéphane Joost, Beatrice Bacchilega, David Nicolas De Ridder, Idris Guessous

Background: Evidence suggests that sugar-sweetened beverage (SSB) intake frequency is positively associated with the risk of obesity and diabetes. We aimed to identify populations and areas in high need for interventions to reduce SSB consumption using a f ...

2018