Double whammy on our pension pockets
Regarding your Answerback item on hereditary angioedema (May 24), the Primary Immunodeficiency Association website may be a helpful resource (www.pia.org.uk).
Patients with hereditary angioedema now form the second biggest group (after antibody deficiencies) in this organisation, which provides information and support for patients and physicians, campaigns to improve awareness of primary immunodeficiency and raises money for research and patient care.
Dr Hilary Longhurst
St Bartholomew's Hospital, London