HEALTH PREPARATION

Puppy vaccine schedule by week: what to discuss with your vet

Puppy vaccination is a series, not one appointment. U.S. veterinary guidance commonly starts the distemper, adenovirus and parvovirus series at 6–8 weeks and repeats doses through at least 16 weeks; exact intervals and additional vaccines depend on the product and puppy. Use the age windows below to prepare for veterinary visits. Your clinic must set the actual dates, including rabies requirements for your location.

By PostPuppies editorial · Updated November 3, 2026

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Week-by-week planning windows

This is a discussion guide for a puppy in the United States, not a prescription or proof of protection. UC Davis describes repeated combination vaccination from 6–8 weeks with the final dose no earlier than 16 weeks.

Vaccination conversations by puppy age
Age window	Discuss at the appointment	Record before leaving
6–8 weeks	Review records and whether the combination series should begin	Vaccine, date, product and next due date
10–12 weeks	Which repeat doses are due based on earlier dates	The clinic’s next appointment date
14–16 weeks	Whether the series needs further doses at or after 16 weeks	What remains outstanding
16–20 weeks	Whether local risk or history calls for additional doses	When the clinic considers the initial course complete
Rabies timing	Local requirements and product-specific age/timing	Certificate and revaccination date

Further reading: UC Davis Veterinary Medicine: Vaccination guidelines.

AAHA: Puppy life-stage vaccination planning

Other vaccines depend on more than the calendar

AAHA’s current recommendations include leptospirosis among core vaccines and describe different schedules for different products. Other exposure-related vaccines may be discussed for boarding, daycare, geography or lifestyle. Do not copy the combination-vaccine timetable onto every vaccine.

Tell the clinic about planned travel, classes, other dogs and any uncertain records. An eight-week-old puppy with documented prior doses and one with no reliable history may need different decisions.

Further reading: AAHA: Canine vaccination recommendations.

Make an appointment record that another carer can use

Keep original records and photograph or scan a copy for your own files. For each visit, write the vaccine name, date given and the next date supplied by the clinic. Keep the practice phone and out-of-hours details with the record.

Bring the records supplied by the breeder, rescue or previous carer.
Ask which activities and outdoor areas are suitable now.
Confirm which symptoms or reactions should prompt a call.
Ask who will provide the rabies certificate and how to replace a lost copy.

Check routine-care coverage separately from insurance

Do not assume a standard accident-and-illness policy pays for routine puppy vaccines. ASPCA Pet Health Insurance explains that preventive-care coverage can be a separate addition with its own eligible benefits. Read the actual policy and benefit limits before comparing a plan with your clinic’s costs.

Further reading: ASPCA Pet Health Insurance: Vaccination coverage.

Common questions

Is my puppy fully vaccinated at 12 weeks?

Do not assume that from age alone. Have your clinic review the actual records and tell you what doses remain and what activities are appropriate.

What if my puppy missed an appointment?

Call the clinic with the date and product details from the last dose. It should decide the next step rather than you restarting or skipping a series yourself.

Does a larger breed need a different vaccine calendar?

Breed size alone is not enough to set a schedule. The veterinarian considers age, history, health, product instructions, local requirements and exposure risk.

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