COVID-19 vaccination triggers a strong immune response in people with HIV, meaning they’re likely protected against the coronavirus, a new, small study shows. “Previous research has suggested a suboptimal response to COVID-19 vaccines in people living with HIV; however, these studies did not fully characterize and define that response, both for cellular [where the immune…  read on >  read on >

After a year of learning online in their pajamas at home, many kids may struggle to wake up early for class as schools reopen this fall, an expert says. “I think the biggest concern is that the virtual environment of last year led to some unstructured schedules since it did not need a full morning…  read on >  read on >

Achilles tendon injuries have skyrocketed in the United States this year, researchers report. Physicians at Michigan Medicine-University of Michigan diagnosed more Achilles ruptures during June 2021 than in all of 2020. Injuries to the body’s strongest, thickest tendon account for about 30% of all sports-related injuries, and are most common among active, middle-aged men, they…  read on >  read on >

Masks are making an unwanted comeback in many parts of the United States, after new data showing that fully vaccinated people with “breakthrough” coronavirus infections carry enough virus in their bodies to pose a potential risk to the unvaccinated. But these breakthrough infections — which have become slightly more common with the highly transmissible Delta…  read on >  read on >

The U.S. Food and Drug Administration on Thursday authorized a third “booster” shot of coronavirus vaccines for people with weakened immune systems, as the highly contagious Delta variant continues to surge across the country. Expanding the emergency use of the Pfizer and Moderna vaccines should help protect those patients who are considered most vulnerable to…  read on >  read on >