Leonidas Kourentis
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View article: Beyond Microbiological Analysis: The Essential Role of Risk Assessment in Travel-Associated Legionnaires’ Disease Outbreak Investigations
Beyond Microbiological Analysis: The Essential Role of Risk Assessment in Travel-Associated Legionnaires’ Disease Outbreak Investigations Open
Between April and May 2025, an outbreak of travel-associated Legionnaires’ disease (TALD) occurred, involving six cases at a hotel in Crete, Greece. Including two cases reported in 2023 and two additional cases from 2016 to 2017, ten cases…
View article: Beyond Microbiological Analysis: The Essential Role of Risk Assessment in Travel-Associated Legionnaires’ Disease Outbreak Investigations
Beyond Microbiological Analysis: The Essential Role of Risk Assessment in Travel-Associated Legionnaires’ Disease Outbreak Investigations Open
Between April and May 2025, an outbreak of travel-associated Legionnaires’ disease (TALD) occurred, involving six cases at a hotel in Crete, Greece. Including two cases reported in 2023 and two additional cases from 2016 to 2017, 10 cases …
View article: Mitigating norovirus spread on cruise ships: a model-based assessment of diagnostic timing and isolation
Mitigating norovirus spread on cruise ships: a model-based assessment of diagnostic timing and isolation Open
Background Acute gastroenteritis outbreaks caused by noroviruses are a common public health issue on cruise ships. Understanding the main drivers of sustained outbreaks is critical for evaluating the effectiveness of preventive interventio…
View article: Airborne pathogen monitoring and dispersion modelling on passenger ships: A review
Airborne pathogen monitoring and dispersion modelling on passenger ships: A review Open
View article: Forecasting norovirus cases on cruise ships to support outbreak management on board
Forecasting norovirus cases on cruise ships to support outbreak management on board Open
Simple mathematical models integrating key mechanisms of norovirus transmission can help predict the number of cases on board. This knowledge can be automatized in syndromic surveillance systems to support decision making for the managemen…
View article: Scoping review of infectious disease prevention, mitigation and management in passenger ships and at ports: mapping the literature to develop comprehensive and effective public health measures
Scoping review of infectious disease prevention, mitigation and management in passenger ships and at ports: mapping the literature to develop comprehensive and effective public health measures Open
Background With various infectious disease risks to passenger ship travellers, guidance for infectious disease prevention, mitigation and management (PMM) exists. Emerging infections and emergencies necessitate updated, context-specific gu…
View article: Mitigating norovirus spread on cruise ships: A model-based assessment of diagnostic timing and isolation
Mitigating norovirus spread on cruise ships: A model-based assessment of diagnostic timing and isolation Open
Background Acute gastroenteritis outbreaks caused by noroviruses are a common public health issue on cruise ships. Understanding the main drivers of sustained outbreaks is critical for evaluating the effectiveness of preventive interventio…
View article: Interventional Study of Nonpharmaceutical Measures to Prevent COVID-19 Aboard Cruise Ships
Interventional Study of Nonpharmaceutical Measures to Prevent COVID-19 Aboard Cruise Ships Open
Cruise ships carrying COVID-19-vaccinated populations applied near-identical nonpharmaceutical measures during July-November 2021; passenger masking was not applied on 2 ships. Infection risk for masked passengers was 14.58 times lower tha…
View article: Systematic literature review and meta-analysis on preventing and controlling norovirus outbreaks on cruise ships, 1990 to 2020: calling for behaviour change strategies of travellers
Systematic literature review and meta-analysis on preventing and controlling norovirus outbreaks on cruise ships, 1990 to 2020: calling for behaviour change strategies of travellers Open
Background Outbreaks of norovirus gastroenteritis aboard cruise ships may affect a large number of people, debilitate vulnerable travellers, disrupt vacations and cause economic losses to the cruise ship industry. Aim We aimed to identify …
View article: SHIPSAN Routine Inspections between 2018 and 2022
SHIPSAN Routine Inspections between 2018 and 2022 Open
The aim of the study is to describe the routine inspections conducted by competent Public Health Authorities (PHAs) on board passenger ships (cruise ships, inland vessels or ferries) sailing in European countries during the EU HEALTHY GATE…
View article: Communication of Public Health Events on Ships through the EU Common Ship Sanitation Database
Communication of Public Health Events on Ships through the EU Common Ship Sanitation Database Open
The coordination of public health events related to ships presents a challenge to the port health authorities, and communication means and routes are not well established. The EU Common Ship Sanitation Database provides a platform for port…
View article: Using the Intra-Action Review Methodology at European Level to Assess Effectiveness of Measures for Cruise Ship Operations in the COVID-19 Context
Using the Intra-Action Review Methodology at European Level to Assess Effectiveness of Measures for Cruise Ship Operations in the COVID-19 Context Open
In response to the COVID-19 pandemic, the European Union Joint Action HEALTHY GATEWAYS developed guidelines for cruise operators and authorities to restart operations and provide common COVID-19 public health preparedness and response stan…
View article: EU HEALTHY GATEWAYS Joint Action—Contributions to European Public Health Preparedness and Response at Points of Entry
EU HEALTHY GATEWAYS Joint Action—Contributions to European Public Health Preparedness and Response at Points of Entry Open
The joint action EU HEALTHY GATEWAYS (EUHG) aimed to support cooperation and coordinated action of MS to improve their preparedness and response capacities at PoE, for preventing and combating cross-border health threats from the transport…
View article: Potable Water Quality on Non-Passenger Ships Calling Belgian Ports
Potable Water Quality on Non-Passenger Ships Calling Belgian Ports Open
Waterborne disease due to the microbial contamination of potable water onboard ships is a potential threat for seafarers. The results from the samples collected at Belgian ports from 2010 to 2018 during inspections of non-passenger ships a…
View article: Legionella spp. Colonization on Non-Passenger Ships Calling at Belgian Ports
Legionella spp. Colonization on Non-Passenger Ships Calling at Belgian Ports Open
The association of cases of Legionnaires’ disease and ships has been well documented. Results from potable water samples collected for microbiological analysis during SSC inspections conducted from 2010 to 2018 at Belgian ports were …
View article: Pilot Implementation of SARS-CoV-2 Wastewater Surveillance on Cruise Ships Arriving at the Port of Piraeus from June to November 2021
Pilot Implementation of SARS-CoV-2 Wastewater Surveillance on Cruise Ships Arriving at the Port of Piraeus from June to November 2021 Open
This study evaluated the usefulness and validity of wastewater SARS-CοV-2 monitoring in passenger ships. Wastewater grab samples (n = 54) were collected from seven cruise ships arriving at the port of Piraeus from June to November …
View article: Re-Starting the Cruise Sector during the COVID-19 Pandemic in Greece: Assessing Effectiveness of Port Contingency Planning
Re-Starting the Cruise Sector during the COVID-19 Pandemic in Greece: Assessing Effectiveness of Port Contingency Planning Open
Coronavirus disease (COVID-19) outbreaks on board cruise ships early in the pandemic highlighted gaps worldwide in public health emergency contingency plans (PHECPs) for responding to unknown threats. To restart cruise operations in 2021 a…
View article: Nationwide Survey in Greece about Knowledge, Risk Perceptions, and Preventive Behaviors for COVID-19 during the General Lockdown in April 2020
Nationwide Survey in Greece about Knowledge, Risk Perceptions, and Preventive Behaviors for COVID-19 during the General Lockdown in April 2020 Open
Background: The aim of this study was to investigate the knowledge, attitudes, and practices of the Greek general population toward coronavirus disease 2019 (COVID-19) during the lockdown period in April 2020, to examine factors associated…
View article: Environmental contamination of SARS-CoV-2 on surfaces, air-conditioner and ventilation systems
Environmental contamination of SARS-CoV-2 on surfaces, air-conditioner and ventilation systems Open