- Wilderness First Aid II is a 3-day, scenario-based certification course open to all levels. Based on the traditional WFA curriculum, WFA II adds emphasis on medical kit design and development, activity-specific injuries and illness, long-term patient management considerations, and team leadership skills. Graduates receive Wilderness First Aid II (WFA II) and American Heart Association Heartsaver® First Aid, CPR, and AED certifications, both valid 2 years. (24 hours)