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Trump Administration Expected to Recommend All Americans Wear Cloth Masks in Public

Essential Drug Supplies for Virus Patients Are Running Low

Unproven Stem Cell Therapy Gets OK for Testing in Coronavirus Patients

12 Fraught Hours With E.M.T.s in a City Under Siege

Malaria Drug Helps Virus Patients Improve, in Small Study

C.D.C. Weighs Advising Everyone to Wear a Mask

Coronavirus May Add Billions to the Nation’s Health Care Bill

More Americans Should Probably Wear Masks for Protection

More Americans Should Probably Wear Masks for Protection

Blood Plasma From Survivors Will Be Given to Coronavirus Patients

Warmer Weather May Slow, but Not Halt Coronavirus

Coronavirus Death Rate in Wuhan Is Lower than Previously Thought, Study Finds

A Promising Treatment for Coronavirus Fails

F.D.A. Halts Overseas Inspections of Drugs and Devices, Citing Coronavirus

U.S. Imposes Coronavirus Quarantine on Group in California Evacuated From Wuhan

These Patients Are Hard to Treat

A.I. Is Learning to Read Mammograms

Frail Older Patients Struggle After Even Minor Operations

Federal Watchdog Questions Billions of Dollars Paid to Private Medicare Plans

South Carolina Is the 10th State to Impose Medicaid Work Requirements