Which explains why cool-mist vaporizers rather than steam vaporizers are recommended in home treatment of childhood respiratory tract infections?

A) They are safer.
B) They are less expensive.
C) Respiratory secretions are dried.
D) A more comfortable environment is produced.

Cool-Mist Vaporizers

Devices that add moisture to the air using cool water vapor, often used to alleviate symptoms of respiratory conditions.

Steam Vaporizers

Devices that heat water to produce steam, increasing humidity in a room, often used to alleviate symptoms of respiratory conditions.

Respiratory Secretions

Respiratory secretions are fluids produced in the airways, including mucus and saliva, that can trap pathogens and aid in their removal from the respiratory tract.