Why is vaccination so important?

Prevention is Better Than a Cure

The old adage that “prevention is better than a cure” is a universal truth found in cultures and languages all over the world. Historically, people attempted to prevent the spread of devastating epidemics through strict quarantines and increased hygiene. However, while helpful, these measures alone were never quite sufficient once a highly contagious disease managed to break out. The true turning point in global health—for both humans and animals—came with the invention of the vaccine.

A Brief History of Vaccination

Vaccinations have a rich and fascinating history. Long before modern medicine, ancient cultures in Asia and Africa were already using early forms of inoculation to prevent smallpox. However, it was scientist Edward Jenner who famously noticed that milkmaids working with cows rarely caught smallpox. By successfully using pustule content from a mild cowpox infection to inoculate his gardener’s son, Jenner set the stage for a medical revolution that eventually led to the complete global eradication of smallpox.

Following Jenner, the brilliant Louis Pasteur shook the medical world by developing the very first Rabies vaccine. This breakthrough holds particular importance in veterinary practice, given the deadly nature of the rabies virus and its prevalence in carnivorous animals, including our beloved pets.

Since then, the processes for producing vaccines and antitoxins have been perfected, resulting in a wide array of immunizations that have drastically reduced global disease. Importantly, this medical revolution did not only benefit humans. Veterinary and human medicine—often referred to as “the two medicines”—have always collaborated closely in vaccine development. A breakthrough in animal vaccinology often translates to human medicine, and vice versa. Considering that roughly 6 out of 10 infectious diseases in humans are zoonotic (meaning they can spread between animals and humans), vaccinating our pets directly protects human communities, too.

How Vaccines Actually Work

The science behind vaccination is brilliant yet straightforward. When a vaccine is administered, it introduces a safe, non-functioning part of a virus or bacterium (or a harmless synthetic substitute) into the body.

Upon recognizing this foreign protein, the animal’s immune system mounts a defense. White blood cells aggregate at the site to eliminate the perceived threat. The magic happens after this initial response: a portion of these white blood cells transform into specialized “memory cells.” These cells permanently store the biological blueprint of the disease. If the dog is ever exposed to the real, active virus in the future, their immune system instantly recognizes it and mounts a rapid, highly efficient attack to eliminate the threat before the dog ever actually gets sick.

Core vs. Non-Core Dog Vaccines

Not all vaccines are created equal; they are generally divided into two categories based on necessity and risk:

• Core Vaccines: These are universally essential for every dog, regardless of their location or lifestyle, because they protect against diseases of global significance that have high mortality rates. Core vaccines include protection against Parvovirus, Canine Distemper, Canine Hepatitis (Adenovirus), and, in most countries, Rabies.

• Non-Core Vaccines: These are administered based on a dog’s specific exposure risk, which is determined by their geographical location, lifestyle, and daily activities. Examples include vaccines for Canine Parainfluenza (CPi), Bordetella (Kennel Cough), and Borrelia (Lyme disease, transmitted by ticks).

The Puppy Vaccination Schedule: Timing is Everything

It is incredibly risky to take young puppies to public parks or socialize them with unknown dogs before they have completed their initial rounds of vaccinations.

When puppies nurse, they receive Maternally-Derived Antibodies (MDAs) from their mother’s milk. While these antibodies temporarily protect the fragile newborn, they also actively block vaccines from working properly. Because of this, puppies require a carefully timed series of shots.

It isn’t until the final puppy booster (usually given around 16 weeks of age) that the mother’s antibodies have decreased enough to allow the puppy’s own immune system to fully respond to the vaccine. At this 16-week mark, the core vaccinations are complete, and the puppy finally has basic protection against the outside world. The dog will then need a booster at 1 year of age, after which core vaccinations are typically only required at 3-year intervals.

The NewDoggy.com Promise

At NewDoggy.com, we deeply understand the critical importance of early preventative care. We meticulously ensure that every puppy our clients receive is thoroughly up-to-date on all age-appropriate vaccination shots.

Your puppy will arrive with a comprehensive, official certificate of vaccination from a licensed veterinarian. Once your puppy is safely in your arms, it becomes your responsibility to partner with your local vet to keep up with their remaining boosters and adult shots. Please do not hesitate to read further about the specific vaccinations our puppies receive prior to travel by visiting our FAQ section!