Outcome name:Clinical evaluation of patient requirements of O2 reservoir mask or high flux O2 or Non-Invasive ventilation with O2Clinical evaluation of patient requirements of mechanical ventilation or extracorporeal oxygenation (ECMO)Clinical evaluation or report of death statusReport of adverse events attributables to convalescent plasmaMeasure:Oxygen RequirementVentilation RequirementDeathAdverse EventsTimepoints:Day 14 and 28 after plasma administrationDay 14 and 28 after plasma administrationDay 14; 28 and 56 after plasma administrationDuring first 28 days after plasma administration

Outcome name:Clinical evaluation of patient requirements of O2 reservoir mask or high flux O2 or Non-Invasive ventilation with O2Clinical evaluation of patient requirements of mechanical ventilation or extracorporeal oxygenation (ECMO)Clinical evaluation or report of death statusReport of adverse events attributables to convalescent plasmaMeasure:Oxygen RequirementVentilation RequirementDeathAdverse EventsTimepoints:Day 14 and 28 after plasma administrationDay 14 and 28 after plasma administrationDay 14; 28 and 56 after plasma administrationDuring first 28 days after plasma administration