Final answer:
Proper hand hygiene is the most effective way to prevent infections. Additionally, covering coughs and sneezes and avoiding contact with sick people help control the spread of germs.
Step-by-step explanation:
Preventing Infections
The single most effective way to prevent infections is proper hand hygiene, including washing hands with soap and water for at least 20 seconds. Two additional ways to control the spread of germs spread through the air, such as colds, include covering coughs and sneezes with a tissue or the elbow, and avoiding close contact with people who are sick.
Learn more about Preventing infections