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Patients & Consumers Conditions En Español Find an Allergist / Immunologist Just for Kids New Research Parent Resources Pollen Levels Publications Request a Speaker School Tools Seniors The Virtual Allergist™ Treatments Donate Now Search by Condition (A-Z) Search by Topic Allergy & Asthma Issues Educational Brochures Elements of Allergy and Asthma Order Public Education Materials Allergy Shots Drug Guide Sublingual Immunotherapy (SLIT)		Allergic Conditions: Infection Infection occurs when a disease-causing germ such as a bacteria, virus or fungus invades the body. To become infected, you must catch the germ (exposure) and have the ability to become infected (susceptibility). Susceptibility is more complicated than exposure. We are all susceptible to infection by thousands of different germs. The purpose of the immune system is to prevent infection by recognizing germs and eliminating or disabling them before they can cause infection. People with immunodeficiency get the same kinds of infections that other people get—ear infections, sinusitis and pneumonia. The difference is that their infections occur more frequently, are often more severe, and have a greater risk of complications. Resources about infections and immunodeficiency: Tips to Remember: Recurrent Infections Immune Deficiency Foundation  Visit an allergist/immunologist to learn more about allergic disease and your own medical condition. To find an allergist/immunologist near you, use the AAAAI's online Physician Referral Directory.
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