WHO recommends against the use of convalescent plasma to treat COVID-19.

News Release: WHO recommends against the use of convalescent plasma to treat COVID-19 – World Health Organization

See Guidance: WHO’s living guidelines on COVID-19 therapeutics

Infographic: A living WHO guideline on drugs for covid-19 – The BMJ

Commentary on Twitter (thread – click for more)

Convalescent plasma is a transfusion of blood plasma from someone who has recovered from #COVID19, and is used as a treatment for COVID19 https://t.co/Bobq7OTDGq pic.twitter.com/pfO1sFvUpJ

— World Health Organization (WHO) (@WHO) December 7, 2021