STREAMING eyes, runny nose and endless sneezing? Help might be on the way in the form of a hay-fever vaccine that works faster and involves far fewer injections than existing treatment regimens.
Hay fever and some other allergies are caused by an overactive immune response to pollen. Conventional treatments consist of a series of pollen injections that gradually increase in strength, eventually training the immune system to ignore pollen. It is a long, drawn-out process, requiring at least 100 shots spread over up to five years. Meanwhile two vaccines against ragweed allergy developed by Dynavax Technologies of Berkeley, California, and…
