echinacea purpurea the compound was administered every 8 hours group iii 5 patients 2 women and 3 men were administered every 8 hours a dose of a composition containing myrciaria dubia extract as active ingredient group i patients treated with a composition containing as active ingredient such extracts i of echinacea purpurea and myrciaria dubia according to the invention in a period of about 3 days in 12 patients was observed an interruption of the classic symptomatology in patients of group ii who were treated with a composition of echinacea purpurea was observed that the flu infection lasted about 7 days for group iii patients treated with a composition of myrciaria dubia the flu infection lasted about 5 days alternatively the composition according to the invention was administrated to people who were in family relationship with affected persons the total number of people to whom the product was administrated have not been infected by the viral pathology were further analyzed 10 volunteer patients with an average age of 30 years old without any concomitant pathology 4 patients did not receive any medical treatment and 6 patients were treated with conventional anti viral or anti flu drugs for 4 patients 3 men and 1 woman who did not receive any medical treatment the period of duration of the flu infection was approximately 15 days for patients who were medicated with conventional anti flu drugs the duration of the flu infection was between 10 and 12 days and for those who were treated with antiviral the flu lasted for a period of about 6 days according to this study the reference time of lasting for a classic flu infection and.