When a newborn’s umbilical cord has not completely fallen off and shows symptoms such as redness, swelling, and a foul odor, be vigilant as this could be a sign of umbilical hernia infection. This article provides information on the symptoms and treatment methods for umbilical hernia infection.

High levels of white blood cells and C-reactive protein in a child after fever may be due to an inflammatory response caused by infection.

Children with hand, foot, and mouth disease may experience low-grade fever after symptoms subside, possibly due to incomplete recovery or new infection. Further examination and treatment are required.