Influenza patients receiving 15 ml of elderberry four times a day for 5 days, experienced relief of symptoms 4 days earlier compared with placebo. Elderberry extract seems to offer an efficient, safe and cost-effective treatment for influenza. J Int Med Res. 2004 Mar-Apr;32(2):132-40
Vitamin D supplementation (1200 IU/day) in school-aged children reduces incidence of Influenza AAnn Intern Med. 2011 Aug 16;155(4):217-25.
Daily dietary probiotic supplementation for 6 months was a safe, effective way to reduce fever, rhinorrhea, and cough incidence, duration and antibiotic prescription incidence, as well as the number of missed school days attributable to illness, for children 3 to 5 years of age. Pediatrics. 2009 Aug;124(2):e172-9.
A single 45 minute session of Swedish Massage Therapy produces measurable biologic effects on the function of the immune system. Source: The Journal of Alternative and Complementary Medicine. October 2010, 16(10): 1079-1088.