There is one clinical trial.
The objective of this randomized clinical trial is to test whether administration of live attenuated MMR vaccine (measles mumps rubella; Merck) to eligible adults at highest risk for contracting COVID-19 (healthcare workers, first responders), can induce non-specific trained innate immune leukocytes that can prevent/dampen pathological inflammation and sepsis associated with COVID-19-infection, if exposed.
Description: peripheral blood monocytic MDSCs (M-MDSC) and/or granulocytic MDSCs (G-MDSC) determined by flow cytometry from whole blood samples as percentage/fold increase over baseline
Measure: Induction of myeloid-derived suppressor cells (MDSCs) Time: 14 days post-vaccinationDescription: peripheral blood monocytic MDSCs (M-MDSC) and/or granulocytic MDSCs (G-MDSC) determined by flow cytometry from whole blood samples as percentage/fold increase over baseline
Measure: Induction of MDSCs Time: 30 days post vaccinationDescription: peripheral blood monocytic MDSCs (M-MDSC) and/or granulocytic MDSCs (G-MDSC) determined by flow cytometry from whole blood samples as percentage/fold increase over baseline
Measure: Induction of MDSCs Time: 60 days post vaccinationDescription: peripheral blood monocytic MDSCs (M-MDSC) and/or granulocytic MDSCs (G-MDSC) determined by flow cytometry from whole blood samples as percentage/fold increase over baseline
Measure: Induction of MDSCs Time: 12 months post vaccinationDescription: COVID-19 antibodies (seropositive) or COVID-19 RNA+ as evidence of infection
Measure: COVID-19 infection positive Time: 14 days post-vaccinationDescription: COVID-19 antibodies (seropositive) or COVID-19 RNA+ as evidence of infection
Measure: COVID-19 infection positive Time: 30 days post-vaccinationDescription: COVID-19 antibodies (seropositive) or COVID-19 RNA+ as evidence of infection
Measure: COVID-19 infection positive Time: 60 days post-vaccinationDescription: COVID-19 antibodies (seropositive) or COVID-19 RNA+ as evidence of infection
Measure: COVID-19 infection positive Time: 12 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 14 days post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 30 days post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 60 days post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 3 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 4 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 5 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 6 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 7 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 8 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 9 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 10 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 11 months post-vaccinationDescription: Sepsis/lung inflammation, ICU/ventilator usage, in-patient health related co-morbidities and self-reporting mental status (such as general fatigue/stress level)
Measure: Health questionnaire Time: 12 months post-vaccination