The prevalence of hymenoptera venom anaphylaxis (HVA) in the United States is 0.167 percent, and mastocytosis is more common among those with HVA, according to a study recently published in the Journal of Allergy and Clinical Immunology.

The prevalence of hymenoptera venom anaphylaxis (HVA) in the United States is 0.167 percent, and mastocytosis is more common among those with HVA, according to a study recently published in the Journal of Allergy and Clinical Immunology.