The National Institute of Allergy and Infectious Diseases in a statement issued Tuesday said AstraZeneca may have released "outdated information" on its Covid-19 vaccine that "may have provided an incomplete view" of the vaccine's effectiveness. AstraZeneca responded that the numbers "were based on a pre-specified interim analysis" and that it would "immediately engage with the independent Data Safety Monitoring Board to share our primary analysis with the most up to date efficacy data."

As the Covid-19 pandemic surged over the past year, shutting down or reducing hours at clinics and labs across the country, cancer screening rates plummeted. But now that screening rates are inching up again, cancer specialists say they are seeing patients come in with far more severe disease, Reed Abelson writes for the New York Times.

A new study affirms long-standing nutritional guidelines on how eating five servings of fruits and vegetables can help people live longer. But it also adds some insights on precisely which fruits and vegetables are beneficial, and which are merely "neutral."

Governments and other organizations around the world are exploring creating "vaccine passports": digital credentials that prove a person has been inoculated against the novel coronavirus. But some experts say such passports could exacerbate inequities and threaten users' privacy.

Amid the unprecedented stress Covid-19 has put on the health care workforce, how can leaders create a culture of resilience? Radio Advisory host Rachel Woods talks with Advisory Board's Katherine Virkstis and Anne Herleth about what resilience actually means, dismantling "I'm fine culture"—and identifying the "14-pound mental medicine" that can help keep your team together.

The United States on Friday administered its 100 millionth Covid-19 vaccine dose since President Biden took office in January, surpassing the Biden administration's goal of administering 100 million vaccine doses within the president's first 100 days by more than a month, in today's bite-sized hospital and health industry news from the District of Columbia, Maryland, and Massachusetts.