Health Highlights: Aug. 12, 2021

Here’s some of HealthDay’s top stories for Thursday, Aug. 12:

FDA to OK booster shot of COVID vaccine for immunocompromised people. About 3% of Americans have weakened immune systems due to various medical conditions, and the standard regimen of COVID-19 vaccines may not provide enough immunity. The FDA on Thursday is expected to approve booster shots for this group. Read more

Moderna vaccine is safe, effective in teens. The Moderna COVID-19 vaccine could soon join the Pfizer shot in gaining FDA approval for kids aged 12 to 17. New clinical trial data involving over 3,700 teens shows the two-dose regimen is both safe and highly effective, similar to what’s seen in adults. Read more

California to mandate vaccination for all teachers. With coronavirus infections surging and a new school year beginning, California Gov. Gavin Newsom on Wednesday made his state the first to mandate that teachers get the COVID-19 vaccine or face regular coronavirus testing. Read more

Daily half-hour walk boosts outlook for stroke survivors. In a study lasting nearly five years, even a little activity — 30 minutes of walking or gardening per day, for example — greatly lowered the odds that folks who’d survived a stroke might die. Read more