How can group b strep disease affect a newborn?

Group b infection: Newborn can get group b strep infection either during passage through birth canal or after birth coming in contact with an adult carrier of this bacteria the infection quickly spreads into the blood stream and can make the newborn really sick and has to be treated with IV antibiotics.

Variety of illness: Group b strep infection in newborns, especially prematurely born ones, cause sepsis (blood poisoning), meningitis, and bone & joint infection.