Explainer: Why U.S. hospitals see promise in plasma from new coronavirus patients

U.S. hospitals desperate to help very sick patients with COVID-19, the highly contagious respiratory disease caused by the new coronavirus, are trying a treatment first used in the 1890s that relies on blood plasma donated by recovered patients.

Explainer: Why U.S. hospitals see promise in plasma from new coronavirus patients
U.S. hospitals desperate to help very sick patients with COVID-19, the highly contagious respiratory disease caused by the new coronavirus, are trying a treatment first used in the 1890s that relies on blood plasma donated by recovered patients.