Mannheimia Haemolytica Toxoid — FDA Animal & Veterinary Adverse Event (ADE) Reports
Source: openFDA animalandveterinary/event.json, the FDA Center for Veterinary Medicine (CVM) adverse event report database. Data pulled 2026-07-22. Counts are report-level: one report may list multiple reactions and multiple animals, so figures are not additive and do not imply causation. Mannheimia Haemolytica Toxoid is a active ingredient.
Total reports
Mannheimia Haemolytica Toxoid: 251
Reports by species (top entries)
- Cattle 250
- Human 1
Top reported reactions (VEDDRA terms, top entries)
- Death 197
- Lack of efficacy - NOS 120
- Lack of efficacy (bacteria) - NOS 39
- Necropsy performed 21
- Lack of efficacy (virus) - NOS 19
- Death by euthanasia 18
- CULTURE/TITER DATA ABNORMAL 11
- Respiratory signs 10
- Lack of efficacy (bacteria NOS) 9
- Lack of efficacy (mycoplasma) - NOS 7
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b17.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).