Public Health News Roundup: November 25
FDA Approves Vaccine for H5N1 Strain of Avian Flu
The U.S. Food and Drug Administration (FDA) has approved the first adjuvanted pandemic influenza vaccine for the prevention of the H5N1 strain of the avian flu, also known as bird flu. While most influenza A viruses do not infect people, H5N1 does and has demonstrated a 60 percent mortality rate when a person becomes infected. The U.S. Department of Health and Human Services has added the vaccine to the National Stockpile. “This vaccine could be used in the event that the H5N1 avian influenza virus develops the capability to spread efficiently from human to human, resulting in the rapid spread of disease across the globe,” said Karen Midthun, MD, director of the FDA’s Center for Biologics Evaluation and Research. “Vaccines are critical to protecting public health by helping to counter the transmission of influenza disease during a pandemic.” Read more on infectious diseases.
Study: Excessive Television Watching Equals Excess Weight in Kids
Children and teenagers who spend excessive amounts of time watching television or in front of other screens are also more inclined to be overweight or obese, according to a new study in the journal Pediatrics. Researchers analyzed data on nearly 8,000 boys and girls, ages 9-16, finding that each additional hour a day spent watching television was linked to a body mass index (BMI) scale increase of about 0.1 points, or about half a pound. Kids who watch television or play video/computer games are not only for the most part physically idle, but also more likely to snack. While many parents believe their kids spend a reasonable amount of time in front of screens, the reality is that most kids in the United States and Canada surpass the recommended daily limit of two hours. "We don't pay attention to the fact that it's half an hour here, half an hour there, an hour here, an hour there," said Mark Tremblay, director of Healthy Active Living and Obesity Research at the Children's Hospital of Eastern Ontario Research Institute in Ottawa, Canada, who was not a part of the study. Read more on obesity.
Study: One in 10 U.S. Kids has ADHD
About one in 10 U.S. children have attention-deficit/hyperactivity disorder (ADHD), according to a new study in the Journal of the American Academy of Child and Adolescent Psychiatry. A 2011 poll of more than 95,000 parents found 11 percent of kids ages 4-17 had ADHD, up from 9.5 percent in 2007. The number of kids on ADHD medication also climbed about 1 percent, with research showing that half the kids with ADHD are diagnosed before the age of 6. "This finding suggests that there are a large number of young children who could benefit from the early initiation of behavioral therapy, which is recommended as the first-line treatment for preschool children with ADHD," study author and U.S. Centers for Disease Control and Prevention (CDC) researcher Susanna Visser. The study also found that while the number of kids with ADHD is still climbing, it is no longer climbing as fast—the rate was increasing about 6 percent a year in the mid-2000s, but was only 4 percent a year from 2007 to 2011. Read more on pediatrics.