inclusion criteria: * for the group with a past history of covid-19 (convalescents)= subject within ≥ 3 months after infection * for the no past history of covid-19 (naives), subject with no known history of covid-19 * patient affiliated or entitled to a social security plan * patients who have received informed information about the study and who have co-signed a consent to participate in the study with the investigator

inclusion criteria: * for the group with a past history of covid-19 (convalescents)= subject within ≥ 3 months after infection * for the no past history of covid-19 (naives), subject with no known history of covid-19 * patient affiliated or entitled to a social security plan * patients who have received informed information about the study and who have co-signed a consent to participate in the study with the investigator

inclusion criteria: - for the group with a past history of covid-19 (convalescents)= subject within ≥ 3 months after infection - for the no past history of covid-19 (naives), subject with no known history of covid-19 - patient affiliated or entitled to a social security plan - patients who have received informed information about the study and who have co-signed a consent to participate in the study with the investigator

inclusion criteria: - for the group with a past history of covid-19 (convalescents)= subject within ≥ 3 months after infection - for the no past history of covid-19 (naives), subject with no known history of covid-19 - patient affiliated or entitled to a social security plan - patients who have received informed information about the study and who have co-signed a consent to participate in the study with the investigator