Using convalescent plasma from the blood of people who have recovered from COVID-19 to treat other patients failed to prevent deaths or worsening illness in one clinical trial. Plasma treatment aims to eliminate virusHere's how convalescent plasma is thought to work: The virus binds to cells in the body. Callum said that while it is logical that convalescent plasma would help fight viral infections, it remains an unproven therapy. Large, randomized clinical trials are needed to answer the question of whether convalescent plasma helps people who are infected — a question that dates back to the 1918 flu pandemic. Remdesivir was also the first drug authorized to treat Canadian patients hospitalized with severe symptoms.

Source: CBC News October 23, 2020 20:26 UTC