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Results 1 - 1 of 1 for Chronic hepatitis B virus infection
  1. Severe Combined Immunodeficiency (SCID) Video From the National Institutes of Health (National Institute of Allergy and Infectious Diseases)  
    ... T cells and natural killer cells , and their B cells do not function. Symptoms of SCID occur in infancy and include serious or life-threatening infections, especially viral infections, which may result in pneumonia and chronic diarrhea. Candida (yeast) infections of the mouth and ...