Zang, S., "Ultraviolet Sole Irradiation in Preventing Common Cold and Influenza in Children." 1994 China Reflexology Symposium Report, Beijing : China Reflexology Association, page 39.
Two groups of children, ages 3-6, were studied for 40 days. They were divided into 2 groups- Sixty were given ultraviolet irradiation on certain points of their soles. Thirty-eight children were controlled for age, diet, living and heating conditions. Both groups were studied to see the effectiveness in preventing against the common cold and influenza.
Ultraviolet irradiation of soles was found to be effective in protecting children from the common cold and influenza (CCI).