* the exclusion criteria of the covid-19 patients were: * previous allergic history to plasma or its ingredients such as sodium citrate. * cases with serious general conditions, such as severe organ dysfunction, that are not suitable for transfusion. * very late stage of the acute respiratory distress (ards) where convalescent plasma (cp) has proved to be of low therapeutic benefit

* the exclusion criteria of the covid-19 patients were: * previous allergic history to plasma or its ingredients such as sodium citrate. * cases with serious general conditions, such as severe organ dysfunction, that are not suitable for transfusion. * very late stage of the acute respiratory distress (ards) where convalescent plasma (cp) has proved to be of low therapeutic benefit

- the exclusion criteria of the covid-19 patients were: - previous allergic history to plasma or its ingredients such as sodium citrate. - cases with serious general conditions, such as severe organ dysfunction, that are not suitable for transfusion. - very late stage of the acute respiratory distress (ards) where convalescent plasma (cp) has proved to be of low therapeutic benefit

- the exclusion criteria of the covid-19 patients were: - previous allergic history to plasma or its ingredients such as sodium citrate. - cases with serious general conditions, such as severe organ dysfunction, that are not suitable for transfusion. - very late stage of the acute respiratory distress (ards) where convalescent plasma (cp) has proved to be of low therapeutic benefit