Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Immunoglobulin A deficiency 2 ?
    ### Response:
    What are the signs and symptoms of Immunoglobulin A deficiency 2? The Human Phenotype Ontology provides the following list of signs and symptoms for Immunoglobulin A deficiency 2. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    