Researchers at Johns Hopkins University now have federal approval to test if blood plasma from recovered COVID-19 patients can help protect the heroes on the front line of the battle against the coronavirus. The hope is that transfusions of blood plasma would boost the immune systems of health care providers, first responders and others at high risk of exposure, the researchers said.

COVID-19 survivors carry antibodies generated to fight the disease and the plasma is the part of blood that contains those antibodies. “The ability to carry out a prophylaxis trial will tell us whether plasma is effective in protecting our health care workers and first responders from COVID-19,” said Arturo Casadevall, a Johns Hopkins infectious disease expert, in a statement.


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