For example, convalescent serum, passive antibody transfusion from a previous human survivor, used to be the only known effective treatment for Ebola infection with a high success rate of 7 out of 8 patients surviving.
Yes, this is one of the option to develop passive immunity against COVID-19. Researchers in Karachi, Pakistan, have already developed such an immunoglobulin product and waiting for approval to start human use.
Only question is whether, immunoglobulin developed in one country based on antibodies to a particular strain of SARS-CoV-2 would also be effective globally?
The effectiveness has been approved in India.A patient was treated with plasma and he was weaned off the ventilator then moved to a normal ward.
https://www.scmp.com/lifestyle/health-wellness/article/3080993/plasma-therapy-clinical-trials-treat-covid-19-patients
Mali S, Pratap A, Thorat B. The Rise of New Coronavirus Infection-(COVID-19): A Recent Update. EJMO. 2020; 4(1): 35-41
HI SIR.. COULD YOU CHECK THIS LINK.. PLEASE
https://www.pnas.org/content/early
It is I believe mentioned in the China National Health Commission treatment guide.
YES
Preprint Coronavirus drugs: Using plasma from recovered patients as a...