* subjects considered as a resolved case of covid-19 infection, according to guidelines from the colombian national institute of health. * health personnel with social distancing due to close contact without personal protective equipment with confirmed patients of infection, or who are taking any medication as possible prophylaxis for covid-19 (example; chloroquine, hydroxychloroquine, azithromycin) * health workers who have permits or temporary withdrawal from their hospital work for more than one week during the first month of the study. * subjects with known allergy to ivermectin. * women in a state of pregnancy or lactation. * \|subjects with a body mass index less than 18.5 and greater than 35.

* subjects considered as a resolved case of covid-19 infection, according to guidelines from the colombian national institute of health. * health personnel with social distancing due to close contact without personal protective equipment with confirmed patients of infection, or who are taking any medication as possible prophylaxis for covid-19 (example; chloroquine, hydroxychloroquine, azithromycin) * health workers who have permits or temporary withdrawal from their hospital work for more than one week during the first month of the study. * subjects with known allergy to ivermectin. * women in a state of pregnancy or lactation. * \|subjects with a body mass index less than 18.5 and greater than 35.

- subjects considered as a resolved case of covid-19 infection, according to guidelines from the colombian national institute of health. - health personnel with social distancing due to close contact without personal protective equipment with confirmed patients of infection, or who are taking any medication as possible prophylaxis for covid-19 (example; chloroquine, hydroxychloroquine, azithromycin) - health workers who have permits or temporary withdrawal from their hospital work for more than one week during the first month of the study. - subjects with known allergy to ivermectin. - women in a state of pregnancy or lactation. - |subjects with a body mass index less than 18.5 and greater than 35.

- subjects considered as a resolved case of covid-19 infection, according to guidelines from the colombian national institute of health. - health personnel with social distancing due to close contact without personal protective equipment with confirmed patients of infection, or who are taking any medication as possible prophylaxis for covid-19 (example; chloroquine, hydroxychloroquine, azithromycin) - health workers who have permits or temporary withdrawal from their hospital work for more than one week during the first month of the study. - subjects with known allergy to ivermectin. - women in a state of pregnancy or lactation. - |subjects with a body mass index less than 18.5 and greater than 35.