Anaphylaxis: Definition, Epidemiology, Diagnostic Challenges, Grading System Anaphylaxis: Epidemiology and Differential Diagnosis Pathophysiology of Immunologic and Nonimmunologic Systemic Reactions Including Anaphylaxis Anaphylaxis and Mast Cell Disorders Management of Anaphylaxis Management of Anaphylaxis in Infants and Toddlers Recognition and Management of Food Allergy and Anaphylaxis in the School and Community Setting Systemic Allergic Reactions and Anaphylaxis Associated with Allergen Immunotherapy Anaphylaxis to Drugs, Biological Agents, and Vaccines Perioperative Anaphylaxis Anaphylaxis to Stinging Insect Venom Anaphylaxis: Access to Epinephrine in Outpatient Setting Anaphylaxis: Data Gaps and Research Needs Patient Communications: Why Is It Important to Quickly Use Epinephrine at the Onset of Symptoms and Signs of Anaphylaxis?