inclusion criteria: * 18 years, all sexes. * no previous hospitalizations in the last 6 months. * positive diagnostic test for covid-19 according to the guidelines of the argetine ministry of health at the time of enrollment. * patient in intensive care unit with oxygen need: need for continuous supply of oxygen to maintain saturation by oximetry pulse (spo2) greater than or equal to 93% or arterial gas with pao2 value greater than 60 mmhg

inclusion criteria: * 18 years, all sexes. * no previous hospitalizations in the last 6 months. * positive diagnostic test for covid-19 according to the guidelines of the argetine ministry of health at the time of enrollment. * patient in intensive care unit with oxygen need: need for continuous supply of oxygen to maintain saturation by oximetry pulse (spo2) greater than or equal to 93% or arterial gas with pao2 value greater than 60 mmhg

inclusion criteria: - 18 years, all sexes. - no previous hospitalizations in the last 6 months. - positive diagnostic test for covid-19 according to the guidelines of the argetine ministry of health at the time of enrollment. - patient in intensive care unit with oxygen need: need for continuous supply of oxygen to maintain saturation by oximetry pulse (spo2) greater than or equal to 93% or arterial gas with pao2 value greater than 60 mmhg

inclusion criteria: - 18 years, all sexes. - no previous hospitalizations in the last 6 months. - positive diagnostic test for covid-19 according to the guidelines of the argetine ministry of health at the time of enrollment. - patient in intensive care unit with oxygen need: need for continuous supply of oxygen to maintain saturation by oximetry pulse (spo2) greater than or equal to 93% or arterial gas with pao2 value greater than 60 mmhg