inclusion criteria: 1. age 0 to \<19 years old 2. hospitalized with symptoms compatible with covid-19 illness 3. laboratory-confirmed sars-cov-2 infection as determined by pcr, or other commercial or public health assay in any specimen prior to randomization. 4. abo compatible convalescent plasma available

inclusion criteria: 1. age 0 to \<19 years old 2. hospitalized with symptoms compatible with covid-19 illness 3. laboratory-confirmed sars-cov-2 infection as determined by pcr, or other commercial or public health assay in any specimen prior to randomization. 4. abo compatible convalescent plasma available

inclusion criteria: age 0 to <19 years old hospitalized with symptoms compatible with covid-19 illness laboratory-confirmed sars-cov-2 infection as determined by pcr, or other commercial or public health assay in any specimen prior to randomization. abo compatible convalescent plasma available

inclusion criteria: age 0 to <19 years old hospitalized with symptoms compatible with covid-19 illness laboratory-confirmed sars-cov-2 infection as determined by pcr, or other commercial or public health assay in any specimen prior to randomization. abo compatible convalescent plasma available

inclusion criteria: 1. age 0 to <19 years old 2. hospitalized with symptoms compatible with covid-19 illness 3. laboratory-confirmed sars-cov-2 infection as determined by pcr, or other commercial or public health assay in any specimen prior to randomization. 4. abo compatible convalescent plasma available

inclusion criteria: 1. age 0 to <19 years old 2. hospitalized with symptoms compatible with covid-19 illness 3. laboratory-confirmed sars-cov-2 infection as determined by pcr, or other commercial or public health assay in any specimen prior to randomization. 4. abo compatible convalescent plasma available