Which Nursing Action Is Most Appropriate to Decrease the Risk

Which nursing action is most appropriate to decrease the risk of transmitting viral infections by patients and family members at a local clinic?

A) Sanitizing toys,telephones,and doorknobs to kill pathogens
B) Teaching parents safe food preparation and storage
C) Withholding immunizations for children with compromised immune systems
D) Allowing all children to congregate in the same waiting room