Immune System Response to Pediatric Respiratory Infections Molded by Past Exposure

Investigators from the Perelman School of Medicine at the University of Pennsylvania and Children's Hospital of Philadelphia (CHOP) recently discovered—through analyzing immune cells of children who came to the emergency department with flu symptoms—that a suite of genes expressed by these early-response cells was shaped by factors such as age and previous exposures to viruses. Findings from the new study were published recently in Cell Reports , in an article entitled “ Genomi