A recent study of schoolchildren finds that the youngest students harbor the most germs. Researchers looked at nasal swabs and symptom reports of more than 800 students and staff in Kansas City, Missouri. Kids in pre-kindergarten and elementary school had the highest rates of virus detection compared with older students and staff. The pre-K kids, ages 3 to 5, had the highest rates of actual illness, too. Young children can have up to 10 respiratory viruses as their immune systems are introduced to different infections for the first time. Those viruses include colds, flu and more.
By DEVNA BOSE and CARLA K. JOHNSON Associated Press
People with immune system health problems continue to take precautions against COVID-19 five years into the pandemic. The threat of infection is a governing force in their lives while others speak of the coronavirus in the past tense. They protect themselves from the virus with masks and isolate themselves in small family bubbles. In online support groups, they trade research about the danger of repeat infections and cognitive impairment. They miss the empathy they felt during the early days of the pandemic. Some have lost friendships, but they strive to maintain the social ties important to mental health.
By LAURAN NEERGAARD, LAURA UNGAR and MIKE STOBBE Associated Press
Five years after the virus that causes COVID emerged in China it still holds some mysteries. The disease has killed an estimated 20 million people globally, according to the World Health Organization, and thousands are still dying every year. But scientists still aren't clear where it came from, and they are still trying to understand what causes long-term symptoms called long COVID. And while vaccines have helped dramatically reduce severe disease and death from COVID, the virus mutates so quickly researchers have struggled to find a vaccine that stops the spread.
