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There’s a ‘Severe Blood Shortage’ in the U.S., Red Cross Says

Scientists Report Earliest Known Coronavirus Infections in Five U.S. States

Virus May Have Arrived in U.S. in December, but Didn’t Spread Until Later

As Trump Praises Plasma, Researchers Struggle to Finish Critical Studies

As Trump Praises Plasma, Researchers Struggle to Finish Critical Studies

F.D.A. Relaxes Blood Donation Guidelines for Gay Men and Others

Blood Plasma From Survivors Will Be Given to Coronavirus Patients

Donors of Rare Blood Type Sought to Save a Miami Toddler