A nurse is educating a group of nursing students about the importance of hand hygiene in preventing healthcare-associated infections (HAIs). Which of the following is the most effective method of hand hygiene in most clinical situations?
1
Washing hands with soap and water for at least 15 seconds.
2
Using an alcohol-based hand rub for at least 20 seconds.
3
Wearing gloves at all times while providing patient care.
4
Washing hands with soap and water only when visibly soiled.