A single treatment giving life-long protection from severe allergies such as asthma could be made possible by immunology research. Using animal models, researchers were able to 'turn-off' the immune response which causes allergic reaction.

See the source article by following the link below:
A single treatment giving life-long protection from severe allergies such as asthma could be made possible by immunology research. Using animal models, researchers were able to 'turn-off' the immune response which causes allergic reaction.