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How long must be administered the vaccines? Treatment with immunotherapy vaccines is a long-term treatment with a duration of 3 to 5 years. However, it is the only treatment that alters the course of the disease, preventing new sensitivities and the development of asthma in patients with allergic rhinitis. It has been proven that durations of less than 3 years are associated with a greater possibility of relapse after the treatment is stopped. |