Tracking Valley Fever and Vaccination Records for Arizona Dog Owners

Arizona gives dog owners a record-keeping problem that most states do not: a common regional disease whose treatment is measured in months and years rather than visits, and whose management depends entirely on knowing what has already been tried.

What the licence actually requires

Start with the administrative part, which is simpler.

Under A.R.S. § 11-1008, a licence is required for dogs three months of age or older kept in the state for at least 30 consecutive days in a calendar year. County boards of supervisors set the fee.

The rabies link comes through A.R.S. § 11-1010: obtaining a licence requires presenting a rabies vaccination certificate signed by a veterinarian. Licences are administered at county level, and — this is the useful detail — the licensing period cannot exceed the time remaining until the dog's next rabies revaccination.

That last rule is unusually sensible. It means Arizona will not issue you a two-year licence on a vaccine that expires in six months, and it means your licence expiry is a reliable proxy for your vaccine expiry. The 30-day snowbird threshold is also worth noting: seasonal residents who keep a dog in Arizona for a month or more are inside the requirement.

Failing to obtain a required licence within 15 days of written notification from the county enforcement agent is a class 2 misdemeanour.

The part that actually needs a record

Valley Fever — coccidioidomycosis — is caused by a soil-dwelling fungus, and dogs acquire it by inhaling spores kicked up from disturbed earth. Digging dogs, construction sites, dust storms, new housing developments on former desert: the exposure is environmental and largely unavoidable if you live in the region.

The scale is what makes it a records issue. Arizona accounts for the large majority of human cases nationally, concentrated in the Phoenix–Tucson corridor, and central and southern Arizona are believed to have the highest incidence in dogs. Research from the Valley Fever Center for Excellence at the University of Arizona has reported infection rates in dogs in Pima and Maricopa counties of roughly 11 percent by one year of age and 28 percent by age two.

Not every infected dog becomes clinically ill. But for those that do, treatment is antifungal medication given for a long time — commonly many months, sometimes far longer, and in some cases for life. That is your veterinarian's call, not an internet article's.

Why long treatment breaks ordinary record keeping

A course of treatment measured in years generates the kind of history that nobody remembers accurately:

• Which antifungal was used, and at what dose.
• Whether the dose was changed, and why.
• The dates and values of titre tests over time, which is how response to treatment is followed.
• Whether treatment was stopped, and whether signs returned afterwards.
• What liver monitoring was done, since long-term antifungal therapy is typically monitored.

If your dog relapses two years later, or you move from Tucson to Phoenix, or you end up at an emergency clinic at 11pm, that sequence is the single most valuable thing you can hand a veterinarian. Reconstructing it from memory produces a story, not a history.

Seasonal patterns compound the problem. Peaks in Arizona have been described around June and July and again from October through November, which means a dog can have episodes separated by many months — long enough that the details blur.

Heat is its own record

Arizona's second environmental factor is simpler and more brutal. Summer surface temperatures make paw-pad injury and heat illness genuine emergency presentations, and a dog with a prior heat incident is a dog whose future care should account for it. That belongs in the history too.

What an Arizona file should hold

• The rabies certificate and licence, whose expiries are linked by statute.
• Valley Fever titre results with dates, so the trend is visible rather than remembered.
• Every medication, dose and change, particularly long-course antifungals.
• Bloodwork and monitoring results, which is where uploaded documents matter more than typed notes.
• Weight over time, since weight loss is a common thread in chronic illness and a chart shows what a glance does not.

Keeping years of history, not weeks of it

This is precisely the case where a couple of recent entries is not enough. A dog under long-term treatment has a history that only becomes useful when you can see all of it at once — the first titre next to the most recent one, the dose that was tried in 2024 next to the one that worked.

Petnote keeps vaccination dates, the full medical history, weight entries and uploaded documents like lab panels in one account. Pro is built for exactly this shape of problem: unlimited pets, the complete medical record rather than the most recent entries, unlimited document storage for years of bloodwork, and CSV export of the weight history when a specialist wants the numbers.

Every pet also gets a free Emergency Mode page with a QR code, showing your number, your dog's allergies and their current medications — which, for a dog on long-term antifungals, is information an emergency vet genuinely needs.

See what Pro includes, or start free and upload the most recent titre result tonight.