In a "striking reflection of concern" about Biogen's newly approved Alzhiemer's drug, Aduhelm, Cleveland Clinic and Mount Sinai Health System on Wednesday said in separate statements that they will not administer the medication to patients.

For the first time, a patient has been confirmed to be infected by two coronavirus variants at the same time, according to a recently presented case study—an "exceptional" situation that researchers said sheds light on the increasing spread of variants of concern.

With the opening ceremony of the Tokyo Olympics now just over a week away, some infectious disease experts worry the Games aren't taking enough precautions to keep athletes safe from Covid-19—or to avert a potential "global superspreading event."

A 22-year-old man initially chalked up his fever and weakness to the flu—until, too weak to get out of bed, he called an ambulance. It was not until he was hospitalized with failing kidneys and "off-the-charts" blood test results before doctors discovered the real cause of his symptoms, Lisa Sanders reports for the New York Times Magazine.

Piedmont Healthcare and Virtua Health enact mandates requiring their employees be fully vaccinated against Covid-19, in today's bite-sized hospital and health industry news from Florida, Georgia, and New Jersey.