SARS-CoV-2/COVID-19 Infection Among Health Care Workers

"A questionnaire will be administered to all participants to evaluate exposures related to infection at the baseline (enrollement) - Baseline questionnaire. A Follow-up questionnaire to all participants will be done after 3 and 6 months.~Capillary blood collection, for diagnosis of anti-SARS-CoV-2 Antibodies by rapid test, will be done at the first interview, for all participants (cases and controls).~Collection of peripheral venous blood, for analysis of the presence and duration of anti-SARS-CoV-2 Antibodies (N and S) will be done at the first interview, and after 6 months for all participants (cases and controls)."