The 23-week gestation neonate is being cared for in a double-walled, heated isolette with ambient humidity set to 85%. The patient is at risk for sepsis due to which organism related to the care environment?

The fetuses of mothers with which infections during pregnancy are at an increased risk for hearing loss? Select all that apply.

The baby born at 32 weeks’ gestation to a mother who is hepatitis B surface antigen negative (HBsAg-negative) is taken to the Neonatal Intensive Care Unit (NICU) for care. The neonate, who weighs 1.8 kg, requires continuous positive airway pressure of 7 cm H20, intravenous fluids containing dextrose, and intravenous caffeine. After getting consent from the mother, when is the most appropriate time to administer the hepatitis B vaccine to the baby?