AI Summary
The article discusses new research showing that newborns' T cells are highly efficient at fighting off infections, contradicting the belief that infant immune systems are immature compared to adults. This finding suggests that babies may use their immune systems differently, but effectively.
Scientists have long believed that a newborn’s immune system was an immature version of an adult’s, but new research shows that newborns’ T cells — white blood cells that protect from disease — outperform those of adults at fighting off numerous infections.