inclusion criteria: * 18 years or older, in relatively good health with adequate physical and mental function, including factors associated with in increased risk for medical complications associated with covid-19 infection or increased risk for exposure to sars-cov-2

inclusion criteria: * 18 years or older, in relatively good health with adequate physical and mental function, including factors associated with in increased risk for medical complications associated with covid-19 infection or increased risk for exposure to sars-cov-2

inclusion criteria: - 18 years or older, in relatively good health with adequate physical and mental function, including factors associated with in increased risk for medical complications associated with covid-19 infection or increased risk for exposure to sars-cov-2

inclusion criteria: - 18 years or older, in relatively good health with adequate physical and mental function, including factors associated with in increased risk for medical complications associated with covid-19 infection or increased risk for exposure to sars-cov-2

inclusion criteria: - 18 years or older, ecog 0 or 1

inclusion criteria: - 18 years or older, ecog 0 or 1