Correlation Between Cycle Threshold (Ct) Values in COVID-19, Health Status and Laboratory Biomarkers in the Population of Medellin- Colombia Evaluated in a Specialized Laboratory.

After being informed about the study, all patients giving written informed consent will undergo a serial of test related to COVID-19. Rh and blood type will be obtained using the Colombian ID card or official document. All symptomatic and asymptomatic COVID19-positive patients will be evaluated for a period of 4 weeks at three different times of the study. In a single time, the mitochondrial DNA will be measured, and the variability in the CT value, hemogram, cytokine levels, ratio of CD4 + / CD8 + lymphocytes, levels of dehydrogenase lactate, ferritin and D-dimer, antibodies IgG and IgM, will be measured on day 5, day 14 and day 28. In addition, spike S protein sequencing and growing the virus in cell culture that meet specific criteria will be performed. A physician will do clinical follow up through the period of the study for each patient.