Babies and toddlers who’ve been given antibiotics might have a less vigorous immune response to routine childhood vaccinations, new research warns. The study is the first to suggest that antibiotics might dampen youngsters’ ability to generate infection-fighting antibodies in response to vaccination. Experts cautioned that more research is necessary, and it’s not clear whether antibiotic…  read on >  read on >

Thanks to the Omicron surge this past winter, 3 in every 5 Americans have now been infected with COVID-19, a new government report shows. Once Omicron surfaced as the predominant variant in this country, the highest infection rates were seen among children and teens, and the upward shift was steep: Only 1 in 3 Americans…  read on >  read on >

If you think teen gun violence is not a pressing issue, a new study suggests otherwise. Researchers found the percentage of U.S. teenagers carrying handguns has risen by 41% over the past two decades — with notable increases seen among white teens from higher-income families. The researchers tracked handgun carriage among 12- to 17-year-olds between…  read on >  read on >

Are you vaccinated and wonder what your chances are of a breakthrough COVID-19 infection? A new study answers that question: Breakthrough COVID infections in fully vaccinated people are least likely to occur in those who’ve received an mRNA vaccine and who were infected with the coronavirus before vaccination. The study included more than 8 million…  read on >  read on >