A nurse on a maternal newborn unit is assisting with the preparation of an in-service presentation about infection control. Which of the following Information should the nurse recommend to include?

Infant bassinets should be positioned 24 in (2 feet) apart.

Staff should avoid using alcohol-based hand rubs to perform hand hygiene.

Visitors who have an upper respiratory infection should wear a mask.

Pumped breastmilk can be left at room temperature for 6 hr.