study subjects will be inpatients with confirmed sars-cov-2 testing. testing is performed at the discretion of the treating physician. only veterans will be enrolled. inclusion criteria: positive testing for novel coronavirus sars-cov-2019 patients with moderate covid-19 disease as defined clinically: score of 1-3 (out of 3) on a modified brescia covid respiratory severity score (bcrss), elements of which include wheezing or inability to speak complete sentences without effort, respiratory rate ≥22, o2 saturation ≤ 94% with or without supplemental oxygen, or requiring ≥2l supplemental oxygen to maintain o2 sat >94% in patients without previously documented hypoxia or baseline oxygenation requirement; either is equal to one point on the score) all within a 24-hour period prior to enrollment, and/or any worsening of chest x-ray (cxr) findings after covid-19 diagnosis worsening of baseline oxygenation by at least 3%, or increase in oxygen requirement by at least 2l, in patients with pre-existing hypoxemia or receiving supplemental oxygen chronically. the bcrss risk calculation score is available at: https://www.mdcalc.com/brescia-covid-respiratory-severity-scale-bcrss-algorithm

study subjects will be inpatients with confirmed sars-cov-2 testing. testing is performed at the discretion of the treating physician. only veterans will be enrolled. inclusion criteria: positive testing for novel coronavirus sars-cov-2019 patients with moderate covid-19 disease as defined clinically: score of 1-3 (out of 3) on a modified brescia covid respiratory severity score (bcrss), elements of which include wheezing or inability to speak complete sentences without effort, respiratory rate ≥22, o2 saturation ≤ 94% with or without supplemental oxygen, or requiring ≥2l supplemental oxygen to maintain o2 sat >94% in patients without previously documented hypoxia or baseline oxygenation requirement; either is equal to one point on the score) all within a 24-hour period prior to enrollment, and/or any worsening of chest x-ray (cxr) findings after covid-19 diagnosis worsening of baseline oxygenation by at least 3%, or increase in oxygen requirement by at least 2l, in patients with pre-existing hypoxemia or receiving supplemental oxygen chronically. the bcrss risk calculation score is available at: https://www.mdcalc.com/brescia-covid-respiratory-severity-scale-bcrss-algorithm

study subjects will be inpatients with confirmed sars-cov-2 testing. testing is performed at the discretion of the treating physician. only veterans will be enrolled. inclusion criteria: 1. positive testing for novel coronavirus sars-cov-2019 2. patients with moderate covid-19 disease as defined clinically: 1. score of 1-3 (out of 3) on a modified brescia covid respiratory severity score (bcrss), elements of which include wheezing or inability to speak complete sentences without effort, respiratory rate ≥22, o2 saturation ≤ 94% with or without supplemental oxygen, or requiring ≥2l supplemental oxygen to maintain o2 sat >94% in patients without previously documented hypoxia or baseline oxygenation requirement; either is equal to one point on the score) all within a 24-hour period prior to enrollment, and/or any worsening of chest x-ray (cxr) findings after covid-19 diagnosis 2. worsening of baseline oxygenation by at least 3%, or increase in oxygen requirement by at least 2l, in patients with pre-existing hypoxemia or receiving supplemental oxygen chronically. 3. the bcrss risk calculation score is available at: https://www.mdcalc.com/brescia-covid-respiratory-severity-scale-bcrss-algorithm

study subjects will be inpatients with confirmed sars-cov-2 testing. testing is performed at the discretion of the treating physician. only veterans will be enrolled. inclusion criteria: 1. positive testing for novel coronavirus sars-cov-2019 2. patients with moderate covid-19 disease as defined clinically: 1. score of 1-3 (out of 3) on a modified brescia covid respiratory severity score (bcrss), elements of which include wheezing or inability to speak complete sentences without effort, respiratory rate ≥22, o2 saturation ≤ 94% with or without supplemental oxygen, or requiring ≥2l supplemental oxygen to maintain o2 sat >94% in patients without previously documented hypoxia or baseline oxygenation requirement; either is equal to one point on the score) all within a 24-hour period prior to enrollment, and/or any worsening of chest x-ray (cxr) findings after covid-19 diagnosis 2. worsening of baseline oxygenation by at least 3%, or increase in oxygen requirement by at least 2l, in patients with pre-existing hypoxemia or receiving supplemental oxygen chronically. 3. the bcrss risk calculation score is available at: https://www.mdcalc.com/brescia-covid-respiratory-severity-scale-bcrss-algorithm

study subjects will be inpatients with confirmed sars-cov-2 testing. testing is performed at the discretion of the treating physician. only veterans will be enrolled. inclusion criteria: 1. positive testing for novel coronavirus sars-cov-2019 2. patients with moderate covid-19 disease as defined clinically: a. score of 1-3 (out of 3) on a modified brescia covid respiratory severity score (bcrss), elements of which include wheezing or inability to speak complete sentences without effort, respiratory rate ≥22, o2 saturation ≤90% on room air (or o2 saturation ≤ 94% on ≥2l supplemental oxygen; either is equal to one point on the score) all within a 24-hour period prior to enrollment, and/or any worsening of chest x-ray (cxr) findings after covid-19 diagnosis i. initial cxr at the time of covid-diagnosis, or anytime thereafter. change from baseline cxr prior to covid-diagnosis would not qualify. b. the bcrss risk calculation score is available at: https://www.mdcalc.com/brescia-covid-respiratory-severity-scale-bcrss-algorithm

study subjects will be inpatients with confirmed sars-cov-2 testing. testing is performed at the discretion of the treating physician. only veterans will be enrolled. inclusion criteria: 1. positive testing for novel coronavirus sars-cov-2019 2. patients with moderate covid-19 disease as defined clinically: a. score of 1-3 (out of 3) on a modified brescia covid respiratory severity score (bcrss), elements of which include wheezing or inability to speak complete sentences without effort, respiratory rate ≥22, o2 saturation ≤90% on room air (or o2 saturation ≤ 94% on ≥2l supplemental oxygen; either is equal to one point on the score) all within a 24-hour period prior to enrollment, and/or any worsening of chest x-ray (cxr) findings after covid-19 diagnosis i. initial cxr at the time of covid-diagnosis, or anytime thereafter. change from baseline cxr prior to covid-diagnosis would not qualify. b. the bcrss risk calculation score is available at: https://www.mdcalc.com/brescia-covid-respiratory-severity-scale-bcrss-algorithm