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Can Vaccinated People Spread the Virus? We Don’t Know, Scientists Say.

Doctors Accuse UnitedHealthcare of Stifling Competition

As Nation Speeds to Vaccinate All, Maryland’s Path Shows Challenges Ahead

What the History of Pandemics Can Teach Us About Resilience

Science Plays the Long Game. But People Have Mental Health Issues Now.

Confidence in Covid-19 vaccination keeps rising significantly in the U.S., but pockets of resistance remain, a survey shows.

A ‘Game Changer’ for Patients With Esophageal Cancer