Neuro Emotional Technique Melbourne Practitioner Remedy #12 is for the relief of flu-related symptoms such as aches, pains, fever, and chills. The active ingredient in Flu Immune helps stimulate the body’s immunity and is recommended to be taken at the first sign of flu symptoms. Neuro Emotional Technique Melbourne Practitioner Remedy, No. 12 Flu Immune may also assist as a preventative; 12 sprays, once a week is generally recommended.