What exactly is the immune system that fights flu-viruses?

This video course is part of a series of video courses on "Ancient Wisdom for Today Well being" based on Yellow Emperor's Inner Classic.

All the video courses in this series are complimenting each other and reinforcing learning to better understand the ancient wisdom and its application.

The essential Theories & Practice of the Ancient Wisdom, "Yellow Emperor's Inner Classics" are covered in the 6 video courses available in this learning platform.

This video course will use some of the relevant theories and practices from the complete set of video courses on the topic on "How to strengthen immune system against flu-viruses attack.