Puppy Vaccination Schedule: What to Expect the First Year
Bringing home a new puppy is exciting, but the first year also comes with important health decisions. Vaccines, heartworm prevention, flea and tick protection, and safe exposure to the outside world all work together to protect your puppy while their immune system is still developing. This guide gives new puppy owners a simple overview of what to expect, what is considered core care, and which vaccines or preventatives may depend on your puppy’s lifestyle, location, and risk of exposure.
Core Puppy Vaccines
Core vaccines are the vaccines recommended for essentially all puppies because they protect against serious, widespread, or legally important diseases.
DHPP Vaccine
The DHPP vaccine, sometimes also called DAPP by some veterinarians, is the main puppy vaccine series. It helps protect puppies against several serious diseases, including distemper and parvovirus.
Our recommended DHPP schedule is 6 weeks, 9 weeks, 12 weeks, and 15 weeks of age.
Rabies Vaccine
Rabies is also a core vaccine. It is required by law in many areas and is given later than the early DHPP puppy vaccines.
I usually recommend discussing the rabies vaccine with your veterinarian at the puppy’s third set of shots. In many cases, rabies is then given with the fourth set of puppy shots, after 4 months of age, according to your veterinarian’s protocol and local legal requirements.
Non-Core / Risk-Based Vaccines
Non-core vaccines are not automatically needed by every puppy. They depend on where the puppy lives, the dog’s lifestyle, travel, boarding, daycare, grooming, training classes, wildlife exposure, and local disease risk.
Bordetella Vaccine
Bordetella, commonly associated with kennel cough, may be recommended for dogs who are around other dogs.
It may be useful for puppies or dogs who:
- Attend puppy classes
- Go to boarding facilities
- Go to daycare
- Visit groomers regularly
- Travel frequently
- Spend time around groups of dogs
Bordetella can be given after 6 weeks of age. For dogs with frequent exposure, it may be recommended every 6 months. For dogs who rarely leave home or are not commonly exposed to other dogs, once a year may be enough.
Leptospirosis Vaccine
Leptospirosis is risk-based. It may be more important for puppies and dogs who live in or visit areas where exposure is more likely.
- Farms
- Rural properties
- Areas with rodents
- Places with standing water
- Homes near woods, ponds, creeks, or wildlife
- Dogs who hike, swim, or spend a lot of time outdoors
This is a good vaccine to discuss with your veterinarian based on where you live and what your dog’s lifestyle will be.
Canine Influenza Vaccine
Canine influenza, or dog flu, is another non-core vaccine. It may be recommended for dogs who are regularly exposed to other dogs in social or group environments.
- Dogs who board
- Dogs who attend daycare
- Dogs who go to dog shows
- Dogs who travel frequently
- Dogs who attend training classes
- Dogs in areas where canine influenza has been reported
Not every house pet needs this vaccine, but it can be appropriate for dogs with higher exposure.
Lyme Disease Vaccine
The Lyme vaccine is also risk-based. It may be recommended for dogs who live in or travel to areas where Lyme disease is common and where ticks are a significant concern.
- Dogs who hike
- Dogs who spend time in wooded areas
- Dogs who live near heavy tick populations
- Dogs who travel to Lyme-endemic areas
- Dogs with regular tick exposure
For many dogs, good tick prevention is the most important part of Lyme disease prevention. Your veterinarian can help you decide whether the Lyme vaccine is appropriate for your area and your puppy’s lifestyle.
When Can I Take My Puppy Outside?
Until your puppy has received at least three sets of puppy shots, I recommend keeping the puppy mostly at home. That means your puppy can be in your house and your own backyard, but there is no need to take the puppy to public places yet, except for veterinarian visits.
Your puppy does not need to go to pet stores, dog parks, sidewalks with heavy dog traffic, or places where many unknown dogs have been. At this age, the risk is not worth it.
Safe places during this early stage are:
- Your home
- Your own backyard
- Your veterinarian’s office for scheduled visits
- Controlled visits with healthy, vaccinated dogs you know, if appropriate
When Can My Puppy Go to Dog Parks, Pet Stores, and Public Dog Areas?
Dog parks, pet stores, and public dog areas are a different level of exposure.
I recommend waiting until your puppy has completed the full puppy vaccine series, usually after the final DHPP vaccine around 15 weeks of age, and is at least around 4 months old.
This includes places such as:
- Dog parks
- Pet stores
- Public dog areas
- Busy walking areas with many unknown dogs
- Places where dogs commonly urinate or defecate
- Boarding or daycare environments
Parvovirus and other contagious diseases can be present in places where infected or unvaccinated dogs have been. A young puppy does not need that kind of exposure before the immune system has had time to respond to the full vaccine series.
What About Puppy Classes?
Puppy classes can be helpful, but I would not start a puppy class before 12 weeks of age.
If you choose a puppy class, look for one that is clean, well-managed, and requires age-appropriate vaccines for all puppies attending. Many large chain pet stores offer puppy classes, and those can be useful, but I still prefer waiting until the puppy is at least 12 weeks old.
Training and socialization are important, but they need to be done wisely. A young puppy can learn many things at home before going into a public class.
Heartworm Prevention
Heartworm prevention should start at 8 weeks of age.
Heartworm disease is spread by mosquitoes. It is very common in areas where mosquitoes are present, especially in Georgia and throughout the Southeast. It is much easier, safer, and less expensive to prevent heartworm disease than to treat it.
Heartworm prevention requires a prescription from your veterinarian. It is usually simple and affordable, and it protects against a very serious disease that can damage the heart and lungs and can even kill a dog.
If you live in a place where there are essentially no mosquitoes, such as some desert areas, your veterinarian may give different advice. But for Georgia, the Southeast, and most areas where mosquitoes exist, heartworm prevention is basic care.
Flea and Tick Prevention
Flea and tick prevention should be based on your puppy’s actual risk.
If you do not have fleas or ticks in your area and your dog is not exposed, I do not believe in putting unnecessary chemicals on a dog just because it is routine. However, if you see one flea or one tick, you need to address it.
Dogs are more likely to need flea and tick prevention if they:
- Live on a farm
- Have woods behind the home
- Go hiking
- Walk in tall grass or wooded areas
- Travel frequently
- Live in areas with heavy flea or tick pressure
- Have already had fleas or ticks
In those situations, year-round or nearly year-round prevention may be necessary. Some areas have more flea pressure during certain seasons and more tick pressure during others, but in many places the risk never fully disappears.
Your veterinarian can help you choose the safest and most appropriate product for your puppy’s age, weight, and lifestyle.
Streamlined First-Year Puppy Health Schedule
This simple schedule gives new puppy owners a general idea of what to expect during the first year. Your veterinarian may adjust timing based on your puppy, your area, and local legal requirements.
Start heartworm prevention
Discuss Bordetella and other risk-based vaccines
Rabies is often given at this visit
Bordetella booster if needed
Rabies booster
After the first year, DHPP and Bordetella boosters are continued according to your veterinarian’s recommendation and your dog’s lifestyle. Rabies is boosted one year after the first rabies vaccine. After that, rabies boosters may be given every 1 year or every 3 years, depending on the vaccine used and the legal requirements in your county or state.
The first few months are not the time to take unnecessary chances. A good puppy vaccination schedule, heartworm prevention, smart exposure, and a trusted veterinarian will give your puppy the safest and healthiest start possible.