1.- Man or woman over 18 and under 60 years old. 2.- Physicians or nurses who work in areas of care for patients with COVID-19 (emergency, hospitalization, and ICU) in hospitals in Lima, Peru. 3.- Healthy participants, without COVID-19 suggestive symptoms. 4.- Participant who wants to participate and signs the informed consent.

1.- Man or woman over 18 and under 60 years old. 2.- Physicians or nurses who work in areas of care for patients with COVID-19 (emergency, hospitalization, and ICU) in hospitals in Lima, Peru. 3.- Healthy participants, without COVID-19 suggestive symptoms. 4.- Participant who wants to participate and signs the informed consent.