There is new evidence that the Convalescent plasma is not useful for severe and critical COVID-19 Pneumonia

Open label two arms, non randomized Convalescent Plasma treatment to severe and critical pneumonia COVID-19 hospitlaized patients compared to a historical cohort with matched controls.

We will perform an open label two arms, non randomized trial giving Convalescent Plasma donated from recovered COVID-19 patients with positive serology to severe and clinical pneumonia COVID-19 patients admitted to the ABC Medical Center.

Inclusion Criteria:

Donors:

1. Age: >18 and <60 years
2. Body weight : >60 kg
3. Confirmed previous SARS CoV-2 infection
4. negative SARS CoV-2 test result
5. 21 day without symptoms from the negative SARS CoV2 negative test
6. Written informed consent to participate in this clinical trial, to donate plasma and to store the specimen for future testing.
7. Positive COVID-19 IgG antibodies
8. Male donors, or female donors who have not been pregnant, or female donors who have been pregnant tested negative for HLA antibodies
9. Individuals who meet all regular voluntary donor eligibility requirements by the Mexican legislation.

Patients/recipients:

1. Age: >18 years
2. Admitted to the ABC Medical Center facility for the treatment of COVID-19
3. Patients with severe or critical COVID-19
4. Informed consent provided by the patient or healthcare proxy

Exclusion Criteria:

Patients/recipients:

1. Contraindication to transfusion (severe volume overload, history of anaphylaxis to blood products) 2. Any other not controlled infection 3. Disseminated Intravascular Coagulopathy 4. Patient under dialysis 5. Patient with recent Hemorrhagic Stroke 6. Severe Ischemic Heart Disease

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