New Covid Shots Recommended for Americans 6 Months and Older This Fall

New Covid Shots Recommended for Americans 6 Months and Older This Fall

As the virus continues to mutate, scientific advisers to the C.D.C. are urging Americans to roll up their sleeves again for annual vaccinations.
The Aftermath of a U.K. Cyberattack: Blood Shortages and Delayed Operations

The Aftermath of a U.K. Cyberattack: Blood Shortages and Delayed Operations

Several London hospitals, still reeling from a cyberattack last week, have made an urgent plea to medical students to help stem the disruption.