2. Luxembourg cohort of positive patients for COVID-19: a stratification study to predict patient prognosis (Predi-COVID) - Sponsor : Luxembourg Institute of Health - CNER favorable opinion Nr 202003/07 dd 31.3.2020

3. COvid-19 National survey for assessing VIral spread by Nonaffected CarriErs (CON-VINCE) - Sponsor : Luxembourg Institute of Health- Avis favorable du CNER Nr 202004/01 dd 9.4.2020

4. « Automated Detection and Quantification of Covid-19 on chest CT (Imaging COVID-19 AI initiative) » - Sponsor : NETHERLANDS CANCER INSTITUTE - Avis favorable du CNER Nr 202006/01 v2.0 dd 30.06.2020

5. « FIDAC : French Imaging Database Against Coronavirus » - Promoteur : SOCIÉTÉ FRANÇAISE DE RADIOLOGIE - Avis favorable du CNER Nr 202008/01 v2.0 dd 30.07.2020

6. « COLIDE- Role of COmpanion and LIvestock animals in the epiDEmiology of SARS-CoV-2 » - Sponsor : Luxembourg Institute of Health - Avis favorable du CNER Nr 202008/09 v2.0 dd 29.09.2020

7. « COPARK- Impact of Covid-19 pandemic on Parkinson’s disease: clinical progression rate and neurobiological markers » - Sponsors : Centre Hospitalier de Luxembourg (CHL) et Luxembourg Centre for Systems Biomedicine (LCSB) - Avis favorable du CNER Nr 202008/04 v2.0 dd 30.9.2020

8. « SERO-COV-2: Antibody seroprevalence and rate of asymptomatic and symptomatic infections with SARS-CoV-2 in a Luxembourgish Public Hospital and a Research Institute staff according to level of exposure to SARS-CoV-2 » - Sponsor : CHL - Avis favorable du CNER Nr 202007/05 v1.0 dd 2.11.2020