inclusion criteria: - age ≥ 75 or age 65-74 with at least 1 of the following comorbidities: arterial hypertension, diabetes, obesity, chronic obstructive pulmonary disease, heart disease, chronic kidney disease * last 48 hours: (a)axillary temperature ≥ 37.5oc or febrile equivalent, combined with (a) dry cough and/or (b) breathing difficulty and/or (c) odinophagia and/or (d) anosmia/dysgeusia and/or (e) any of the following symptoms: fatigue, anorexia, myalgias or rhinorrhea. * confirmed diagnosis sars-cov2 by rt-pcr * give informed consent

inclusion criteria: - age ≥ 75 or age 65-74 with at least 1 of the following comorbidities: arterial hypertension, diabetes, obesity, chronic obstructive pulmonary disease, heart disease, chronic kidney disease * last 48 hours: (a)axillary temperature ≥ 37.5oc or febrile equivalent, combined with (a) dry cough and/or (b) breathing difficulty and/or (c) odinophagia and/or (d) anosmia/dysgeusia and/or (e) any of the following symptoms: fatigue, anorexia, myalgias or rhinorrhea. * confirmed diagnosis sars-cov2 by rt-pcr * give informed consent

inclusion criteria: - age ≥ 75 or age 65-74 with at least 1 of the following comorbidities: arterial hypertension, diabetes, obesity, chronic obstructive pulmonary disease, heart disease, chronic kidney disease - last 48 hours: (a)axillary temperature ≥ 37.5oc or febrile equivalent, combined with (a) dry cough and/or (b) breathing difficulty and/or (c) odinophagia and/or (d) anosmia/dysgeusia and/or (e) any of the following symptoms: fatigue, anorexia, myalgias or rhinorrhea. - confirmed diagnosis sars-cov2 by rt-pcr - give informed consent

inclusion criteria: - age ≥ 75 or age 65-74 with at least 1 of the following comorbidities: arterial hypertension, diabetes, obesity, chronic obstructive pulmonary disease, heart disease, chronic kidney disease - last 48 hours: (a)axillary temperature ≥ 37.5oc or febrile equivalent, combined with (a) dry cough and/or (b) breathing difficulty and/or (c) odinophagia and/or (d) anosmia/dysgeusia and/or (e) any of the following symptoms: fatigue, anorexia, myalgias or rhinorrhea. - confirmed diagnosis sars-cov2 by rt-pcr - give informed consent