Individuals with the following conditions are considered to be immunocompromised:

    Haematological or immune malignancy

    Moderate to Severe Primary immunodeficiency disorder

    HIV infection with CD4 count < 200 cells/µL within the last 6 months

    Asplenia  

Individuals receiving the following treatments are considered to be immunocompromised:

    High dose steroids or systemic biologics (e.g. for autoimmune conditions)

    Long term renal dialysis

    Transplant recipients (Solid organ or bone marrow)"