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Mitch McConnell May Be Experiencing Small Seizures, Doctors Suggest

Texas Abortion Law Complicates Care for Risky Pregnancies

First Known Covid Case Was Vendor at Wuhan Market, Scientist Claims

W.H.O. Will Announce New Team to Study Coronavirus Origins

Scientists Don’t Want to Ignore the ‘Lab Leak’ Theory, Despite No New Evidence

Scientists Don’t Want to Ignore the ‘Lab Leak’ Theory, Despite No New Evidence

To Speed Vaccination, Some Call for Delaying Second Shots

The ‘Joy and Envy’ of Seeing All Your Friends Get Vaccinated

A W.H.O. Researcher on His Trip to China Seeking Origins of the Virus

U.S. Is Blind to Contagious New Virus Variant, Scientists Warn

Early Data Show Moderna’s Coronavirus Vaccine Is 94.5% Effective

A Chance to Expand Medicaid Rallies Democrats in Crucial North Carolina

Sanofi and GlaxoSmithKline Snag Biggest Coronavirus Vaccine Deal Yet

The U.S. Now Leads the World in Confirmed Coronavirus Cases

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

Congo Draws Up a New Battle Plan Against Ebola Amid Power Struggle

To Calm Nervous Families, Pakistan Changes Polio Vaccination Tactics

To Calm Nervous Families, Pakistan Changes Polio Vaccination Tactics

In India, a Renewed Fight Against Leprosy

Three Deep Red States Vote to Expand Medicaid