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Study of Patients With a Chronic Fatigue Condition May Offer Clues to Long Covid

Drug-Resistant Bacteria Tied to Eyedrops Can Spread Person to Person

U.S. Health Officials Urge Vigilance as Ebola Spreads in Uganda

Drug-resistant infections have increased in hospitals during the pandemic.

Outbreaks of Untreatable, Drug-Resistant Fungus Spread in 2 Cities

The Swiss Cheese Model of Pandemic Defense

In Norway, Gymgoers Avoid Infections as Virus Recedes

Doctors Heavily Overprescribed Antibiotics Early in the Pandemic

Coronavirus Cases in the United States Reach 34, and More Are Expected

Coronavirus Cases in the United States Reach 34, and More Are Expected

Health Experts Fight Ebola in Congo, and Each Other

What You Need to Know About Resistant Urinary Tract Infections

Urinary Tract Infections Affect Millions. The Cures Are Faltering.

F.D.A. Approves the First Vaccine for Dengue Fever, but Limits Its Use

Older Americans Are Awash in Antibiotics