There are multiple definitions:

1. homovanillic acid(English)

2. homovanillyl alcohol(English)

3. high voltage-activated(English)

   • LVA

4. Hymenoptera venom allergy(English)

   • the most frequent cause of anaphylaxis in Europe, accounting for most of the severe reactions occurring in adults, and being the second cause of anaphylaxis in children
   • VIT
   • Allergy, Pediatrics
   • https://doi.org…I.1764-1489.113