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Since its foundation in 1919, much of LETI’s research and marketing activity has been related to the field of immunology. A clear example of this dedication is the Allergy Unit, created in 1941, which provides specialists in allergy with the most advanced products for the diagnosis and etiological treatment of allergic diseases.

Laboratorios LETI’s catalogue of allergen extracts includes the most complete and updated range of preparations for diagnosing and treating allergic diseases. In addition, the Allergy Unit also offers preventive treatments for recurrent respiratory infections and an environmental control line for patients allergic to mites.
Diagnosis of allergy
Treatment of allergy
Preventive treatment of recurrent respiratory diseases
Environmental Control Line
Mites culture