Minimum age 18 and maximum age 80 years Do not take doxycycline for the last five days Patients with definitive diagnosis of Covid 19 (RT-PCR) candidate for outpatient treatment with pulmonary involvement score on CT scan equal to or below 8 Patients suspected of Covid-19 based on clinical signs and manifestations of CT scan and laboratory results candidate for outpatient treatment.

Minimum age 18 and maximum age 80 years Do not take doxycycline for the last five days Patients with definitive diagnosis of Covid 19 (RT-PCR) candidate for outpatient treatment with pulmonary involvement score on CT scan equal to or below 8 Patients suspected of Covid-19 based on clinical signs and manifestations of CT scan and laboratory results candidate for outpatient treatment.