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National Medical Center "20 de Noviembre" (Mexico City, Mexico)


Centro Médico Nacional “20 de Noviembre”
Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado
 México City, México

Our mission is to provide high specialty medical care, research and teaching in Allergy and Clinical Immunology, satisfying the needs of the institute, with efficiency, effectiveness and humane treatment, in accordance with current regulations.

The center was opened in May 1961, as the "Centro Hospitalario 20 de Noviembre". This clinic was initially led by Manuel Romero Herrera M.D and Jorge Guillen Toledo M.D.; in 1980 Guillen Toledo M.D. took on the position of head of the clinic, which had by that time changed the name to "Service of Allergy and Clinical Immunology".

Since 1979, specialists of Allergy and Clinical Immunology have been trained at this center and in 1985, thanks to the quality of the service, the teaching and the facilities, the Universidad Nacional Autónoma de México (UNAM) recognized the formation of specialists in our discipline.

Since March 2010 María Eugenia Vargas Camaño M.D. has overseen postgraduate courses and María Isabel Castrejón Vazquez M.D. has worked in this clinic, with four physicians in training as Allergy and Clinical Immunologists.

The Clinical Immunology and Allergy side of the Centro Médico Nacional "20 de Noviembre" is governed by national and international clinical practice guidelines, adapting and applying the decision-making programs as recommended by national and international organizations and academies. We are also a national reference center.

The objective of the educational program is to train specialists of high academic, technological and humanitarian level, who, at the end of the course, have the necessary skills in the diagnosis and treatment of diseases of immunological participation, such as allergic diseases and primary immunodeficiencies and some autoimmune diseases, in addition to counseling in other types of conditions such as autoimmune diseases, secondary neoplasms, immunodeficiencies and transplants intervening when necessary, in multidisciplinary teams, in addition to the ability to practice in the fields of teaching and research. The academic program is endorsed by the Universidad Nacional Autónoma de México (UNAM).

Our research areas include:

   -Drug Adverse Effects


   -Systemic lupus erythematosus and subpopulations of T and B lymphocytes
   -Hormonal effects in T and B lymphocytes in patients with SLE
   -Chronic Autoimmune Urticaria
   -Gastrointestinal and Eosinophilic Disorders
   -Autoimmune Thyroid Disease
       a) Thyroid Associated Orbitophathy
       b) Thyroiditis
   -Autoimmune Response
       a) Humoral
       b) Cellular

   -Primary and Secondary Immunodeficiency in Mexican patients
   -Hereditary Angioedema
   -Autoinflammatory diseases

   -Allergic rhinitis and hypersensitivity to salicylates.
   -Salicylates and polyps
   -Aspirin Hypersensitivity
       a) Respiratory Disease
       b) Skin Disease

   -Autoimmunity and genetic alterations

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