Pfizer-BioNTech Seeks to Expand Omicron Booster to 5- to 11-Year-Olds

Pfizer asked U.S. regulators Monday to expand use of its updated COVID-19 booster shot to children ages 5 to 11. Elementary school-aged children already received kid-sized doses of Pfizer’s original vaccine, a third of the dose given to everyone 12 and older—two primary shots plus a booster. If the Food and Drug Administration agrees, they … Read more

How Fasting Can—and Can’t—Improve Gut Health

If you spend a lot of time online, you may have noticed that parts of the internet have caught fasting fever. Online message boards are awash in posts touting the benefits of time-restricted eating and other intermittent-fasting approaches that involve going without caloric foods or drinks for an extended period of time—anywhere from 12 hours … Read more

Flint Is Still Shaken by its Water Crisis—and Residents Are Experiencing Long-Term Mental-Health Issues

The Jackson, Mississippi, water crisis this summer is a troubling reminder that some American communities are still failing to provide safe water to their residents. After Jackson’s primary water treatment plant failed, around 180,000 people were left with little or no sanitary water. It was reminiscent of the crisis in Flint, Michigan, which rose to … Read more

Scientists Find a New Coronavirus in Bats That Is Resistant to Current Vaccines

It’s the news that public health experts expect but dread: virus-hunting researchers have discovered a new coronavirus in bats that could spell trouble for the human population. The virus can infect human cells and is already able to skirt the immune protection from COVID-19 vaccines. Reporting in the journal PLoS Pathogens, scientists led by Michael … Read more

Here’s How Effective the Original Vaccines Are Against Omicron

In a study published in JAMA Network Open today, scientists report on how effective the original vaccine and booster shots are against the COVID-19 Delta and Omicron variants. Researchers in Ontario analyzed data from more than 134,000 people, including those who tested positive for Delta and Omicron infections during December 2021. They found that people … Read more