Immunodeficiency Clinic
If your immune system is not working properly, you may suffer from frequent, severe and/or uncommon infections, such as:
- sinusitis - inflammation of one or more of the sinuses
- pneumonia - infection of the lung
- thrush - a fungus infection in the mouth
- abscesses that keep coming back - collections of pus surrounded by inflamed tissue
Our specialists work to diagnose and treat both pediatric and adult patients with immune deficiencies (primary immunodeficiency) such as:
- Ataxia Telangiectasia
- Chronic Granulomatous Disease
- Complement deficiencies
- CVID (Common Variable Immunodeficiency)
- DiGeorge Syndrome
- Recurrent infections
- Hyper IgE Syndrome (Job Syndrome)
- Hyper IgM Syndromes
- Immunodeficiency, antibody deficiency (low T, B or NK cells, etc.)
- Innate Immune Defects (NOMID, Muckle-Wells, recurrent fevers, Hyper-IgD syndrome, PFAPA, etc)
- NEMO Deficiency Syndrome
- Newborn screening follow-ups (positive TREC or SCID screening)
- Other antibody deficiency disorders
- Other primary cellular immunodeficiencies
- Selective IgA Deficiency
- Severe Combined Immune Deficiency (SCID) and Combined Immune Deficiency
- Specific Antibody Deficiency
- Transient Hypogammaglobulinemia of Infancy
- Wiskott-Aldrich Syndrome
Jason Malenfant, MD, MPH
Clinical Interests:
- Allergy & Immunology
- Clinical Research
- Infectious Disease
- Public Health
Locations:
- Marshall Internal Medicine 304.691.1000

Marshall Pediatrics
1600 Medical Center Drive
3rd Floor
Huntington, WV 25701
Phone: 304.691.1300
Multispecialty Care
Multispecialty care is available for eosinophilic esophagitis and primary immunodeficiency, if needed. Call Marshall Pediatrics at 304-691-1300 to learn more.