Canine Influenza Vaccine

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323 adverse event reports submitted to the FDA

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
323
Total Reports
26
Deaths Reported
800.0%
Death Rate

Active Ingredients

Canine Influenza Vaccine

Administration Routes

UnknownSubcutaneousParenteralTransdermalTopicalVaginal

Species Affected

Dog 323

Most Affected Breeds

Retriever - Labrador 43
Retriever - Golden 18
Crossbred Canine/dog 16
Shepherd Dog - Australian 14
Shih Tzu 13
Bulldog - French 10
Terrier - Bull - American Pit 9
Pug 8
Boxer (German Boxer) 7
Pit Bull 7

Most Reported Reactions

Vomiting 125
Lethargy (see also Central nervous system depression in 'Neurological') 56
Diarrhoea 36
Facial swelling (see also 'Skin') 30
Other abnormal test result NOS 24
Seizure NOS 24
Hives (see also 'Skin') 21
Anaphylaxis 20
Ataxia 20
Not eating 19
Behavioural disorder NOS 18
Lack of efficacy (endoparasite) - heartworm 18

Outcome Breakdown

Recovered/Normal
129 (39.9%)
Ongoing
100 (31.0%)
Outcome Unknown
65 (20.1%)
Euthanized
15 (4.6%)
Died
11 (3.4%)
Recovered with Sequela
3 (0.9%)

Data Summary

Metric Value
Total adverse event reports 323
Reports involving death 26
Case-fatality rate (reported events) 800.0%
Distinct species in reports 1
Distinct breeds in reports 20
Distinct reactions reported 20
Active ingredients on file 1

Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER). Counts reflect voluntary reports only.

Canine Influenza Vaccine Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 323 adverse event reports referencing Canine Influenza Vaccine, including 26 reports in which the animal died — a 800.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Canine Influenza Vaccine. Reported administration routes include Unknown, Subcutaneous, Parenteral, Transdermal. These numbers reflect voluntary submissions from pet owners, veterinarians, and manufacturers and therefore under-represent mild events and over-represent severe ones — a pattern the FDA has documented repeatedly for pharmacovigilance datasets.

The species most frequently named in Canine Influenza Vaccine reports are Dog (323 reports), with Dog accounting for the largest share. Within those species, Retriever - Labrador (43), Retriever - Golden (18), Crossbred Canine/dog (16) appear most often — though breed popularity and ownership density shape these counts as much as any drug-specific sensitivity. This distribution matters because the same active ingredient can behave very differently across body sizes, ages, and species physiology.

The most commonly reported clinical signs associated with Canine Influenza Vaccine are Vomiting (125), Lethargy (see also Central nervous system depression in 'Neurological') (56), Diarrhoea (36), Facial swelling (see also 'Skin') (30). Of the 323 reports with a coded outcome, Recovered/Normal is the leading category at 39.9%. Because FDA adverse event data describes correlation rather than causation, these figures are best used to frame informed questions with a veterinarian and to compare reporting patterns across related products — not as a standalone safety verdict on Canine Influenza Vaccine.

Source: FDA Center for Veterinary Medicine — Adverse Event Reports FDA Center for Veterinary Medicine — Adverse Event Reports Data reflects voluntary submissions and may not represent actual incidence rates

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial