Dog saliva is not alone in these properties. Human and other mammal saliva show similar wound-healing activity, which might help explain why we instinctively hold a cut to our mouths and kiss ...You may notice some clinical signs, but the dog is able to live a normal life. However, in severe situations, tracheal collapse can cause respiratory distress and significant trouble breathing. If your dog is having any trouble breathing, this is a medical emergency, and your pet should be seen by a veterinarian immediately.Dogs may initially show signs of anxiety and nervousness. Later stages cause dogs to become aggressive, uncoordinated, and disoriented, and they can attack random objects and develop tremors and seizures. If you see a dog (or wild animal) displaying these symptoms, call your local animal control or police department and stay away from the animal.Jun 29, 2021 · Puppies, senior dogs, nursing mothers, and toy dog breeds may have an increased risk of dehydration. Sometimes dehydration in dogs is a symptom of an underlying cause, including kidney disease ... Dogs: Super-Savvy, Socially. Although every dog is unique, there is enough evidence to indicate that species-wide one of the really special things about dogs is how well they understand humans ...Signs of dying (early, end-stage, and beyond). Do dogs know when another dog dies? The 5 stages of grief. Processing death. Learning how to analyze your beloved pet's quality of life will help you through the difficult decisions. Pet loss is not easy to discuss, but being aware of the various stages of natural death will help you through the ...However, your vet can perform genetic testing and tell you when your dog is ready. Dogs typically go into heat on average every six months, but this varies especially in the beginning. It can take ...Jun 12, 2023 · Due to his or her much shorter life span, your dog and you age at two widely different rates. Just how different depends on your dog’s weight and stage of life. A 2-year-old Pekingese may age only 4 years in a single human year, whereas a Great Dane may age 9. To find out where your dog is on the spectrum, consult our easy-to-use calculator. Dog training is a kind of animal training, the application of behavior analysis which uses the environmental events of antecedents (trigger for a behavior) and consequences to modify the dog behavior, either for it to assist in specific activities or undertake particular tasks, or for it to participate effectively in contemporary domestic life. Petfinder reports that most animal hospitals charge more than 300 dollars for the surgery. A low-cost clinic may charge in the range of 45 to 135 dollars, but this varies by location. But the proliferation of low-cost spay and neuter clinics makes it worth researching the low-cost options available in a given area. 4. Beagle. The actual origin of the Beagle seems to be obscure with no reliable documentation on the earliest days of development. Their compact size, short, easy-to-care-for coat and intelligence ...Dog, facts and photos A border collie stands on the bluff at Raven's Point, Tennessee. Photograph by Stephen Alvarez, NAT GEO IMAGE COLLECTION Animals Reference Domestic dog Common Name:... Dog (engineering) In engineering, a dog is a tool or part of a tool, such as a pawl, that prevents or imparts movement through physical engagement. [1] It may hold another object in place by blocking it, clamping it, or otherwise obstructing its movement. Or it may couple various parts together so that they move in unison – the primary ... Your dog is either pregnant during this time or she is in a period of rest. 4. Anestrus: This is the period of downtime before the next heat cycle, lasting around 6 months.The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it is derived from extinct Pleistocene wolves, and the modern wolf is the dog's nearest living relative.Oct 28, 2021 · Dogs may initially show signs of anxiety and nervousness. Later stages cause dogs to become aggressive, uncoordinated, and disoriented, and they can attack random objects and develop tremors and seizures. If you see a dog (or wild animal) displaying these symptoms, call your local animal control or police department and stay away from the animal. Dogs have ear mobility that allows them to rapidly pinpoint the exact location of a sound. Eighteen or more muscles can tilt, rotate, raise, or lower a dog's ear. A dog can identify a sound's location much faster than a human can, as well as hear sounds at four times the distance. Smell Jan 17, 2018 · Thyroid disease is a relatively common problem in dogs. While it is usually treatable, learning that your dog has a thyroid condition is understandably concerning. Here is some information about ... Jan 23, 2019 · Symptoms will generally appear about 10-days-to-8-weeks after contact with a dog carrying scabies. Typically, the first signs of the infection will be on the margins of the ears, chest, elbows ... Canine terminology. Canine terminology in this article refers only to dog terminology, specialized terms describing the characteristics of various external parts of the domestic dog, as well as terms for structure, movement, and temperament. This terminology is not typically used for any of the wild species or subspecies of wild wolves, foxes ...Thirty million dogs in the United States are registered as pets. Dogs eat both meat and vegetables, often mixed together and sold in stores as dog food. Dogs often have jobs, including police dogs, army dogs, assistance dogs, fire dogs, messenger dogs, hunting dogs, herding dogs, or rescue dogs.Oct 15, 2019 · 1. A dog’s sense of smell is way stronger than ours. Yeah, you can read that two ways, but think back to what your dog smells like when wet, and you’ll figure out the right meaning. When it ... Now dogs pretend they like to fight; They often bark, more seldom bite; But yet a Dog is, on the whole, What you would call a simple soul. Of course I'm not including Pekes, And such fantastic canine freaks. The usual Dog about the Town Is much inclined to play the clown And far from showing too much pride Is frequently undignified.Mar 31, 2022 · A dog suffering from an anal gland infection or abscess will be in moderate to severe pain. If the gland is infected, the bacteria from the infection causes pus to build up inside the gland. An infection can then lead to an abscess when the pus-filled sac and swollen tissue cause the gland opening to be obstructed. Now dogs pretend they like to fight; They often bark, more seldom bite; But yet a Dog is, on the whole, What you would call a simple soul. Of course I'm not including Pekes, And such fantastic canine freaks. The usual Dog about the Town Is much inclined to play the clown And far from showing too much pride Is frequently undignified. A dog's typical heat period with bleeding will last two to four weeks. The complete heat cycle happens in about five to seven months. There are four phases to the heat cycle, each with its own symptoms and behaviors. Bleeding or bloody discharge occurs in two of the four phases. Though dogs know what to do during each other heat cycles, they ...Jun 29, 2021 · Puppies, senior dogs, nursing mothers, and toy dog breeds may have an increased risk of dehydration. Sometimes dehydration in dogs is a symptom of an underlying cause, including kidney disease ... Sep 22, 2022 · According to the University of Edinburgh, the smallest canid is the Fennec fox. It is only 9.4 inches (24 centimeters) high and weighs only 2.2 lbs. (1 kilogram). The largest canid is the gray ... Dog - Senses, Smell, Hearing: Dogs have an acute sense of smell and hearing, a poor sense of taste and color vision, and a sensitivity to touch. Dog coats come in a variety of colors and with three basic hair types: short, medium, and long; most are shed seasonally. Sexually maturity occurs between 6-12 months; social maturity occurs at about two years. Jun 12, 2023 · Brussels Griffon. One of the smallest dog breeds in the AKC, the Brussels Griffon can't handle as much roughhousing as some of the sturdier breeds on this list. But if your kids are gentle, they ... Extant breeds, varieties and types. Note: not all dogs listed below are recognized breeds by an official breed registry that can certify the dog is a purebred, including The Kennel Club (TKC - 1873), the oldest and first official dog breed registry in the world, located in the United Kingdom, and the three oldest breed registries in North America, and largest in the world, including the ... Acid Reflux in Dogs. Acral Lick Granulomas in Dogs. Acute Respiratory Distress Syndrome (ARDS) in Dogs. Acute Vomiting in Dogs. Addison’s Disease in Dogs. Adenocarcinoma of the Sebaceous and Sweat Glands in Dogs. Adenovirus 1 in Dogs. Adrenal Gland Tumors in Dogs. Adverse Reaction in Dogs to Glow Stick Jewelry.Jul 14, 2016 · The average lifespan for large dog breeds is 8 to 12 years. This includes large breed dogs such as German Shepherds, Golden Retrievers, Labrador Retrievers, Rottweilers, and Doberman Pinschers, as ... This is especially true if the heavy breathing is accompanied by lethargy, coughing, eye or nose discharge, a change in the color of the gums, collapsing, weakness, an elevated sleeping respiratory rate, bleeding, bruising, or a known trauma. Panting can be normal for dogs, especially after being active, in warm weather, under stress, or excited.By analyzing the ages of more than 30,000 dogs that died between 2016 and 2020, scientists calculated the average life expectancies of 18 breeds and crossbreeds in the United Kingdom. The dogs had ...Dog, facts and photos A border collie stands on the bluff at Raven's Point, Tennessee. Photograph by Stephen Alvarez, NAT GEO IMAGE COLLECTION Animals Reference Domestic dog Common Name:...These tiny dogs can weigh just 2 to 3 pounds, but they still have big-dog personalities. Yorkies tend to be vocal, protective, and confident. They're also very loyal and loving to their families. Silky coat; colors include black and tan, blue and tan, and more. 7 to 9 years (teacup); 13 to 16 years (toy)Dog (engineering) In engineering, a dog is a tool or part of a tool, such as a pawl, that prevents or imparts movement through physical engagement. [1] It may hold another object in place by blocking it, clamping it, or otherwise obstructing its movement. Or it may couple various parts together so that they move in unison – the primary ...Sep 1, 2021 · Repeat until he indicates that the muzzle looks interesting in a good way. Hold the muzzle with one hand and a treat with the other hand, so he needs to put his nose inside the muzzle to get the ... The classic symptom of kennel cough is a persistent, forceful cough. It often sounds like a goose honk. This is distinct from a cough-like sound made by some dogs, especially little ones, which is ...A dog is a domestic mammal of the family Canidae and the order Carnivora. Its scientific name is Canis lupus familiaris. Dogs are a subspecies of the gray wolf, and they are also related to foxes and jackals. Dogs are one of the two most ubiquitous and most popular domestic animals in the world.Microchips, because they’re inserted into a dog’s skin, are permanent. While they can’t guide you to your dog’s location, they provide a way for you to be contacted by almost any ...Dog. A dog is a mammal in the order Carnivora. The history of dogs is an old tale indeed. You could say as long as there has been civilisation, there have been records of humans and dogs. Dogs were domesticated from wolves around 15,000 years ago. New evidence suggests that dogs were first domesticated in East Asia, possibly China. Dog intelligence. Dog intelligence or dog cognition is the process in dogs of acquiring information and conceptual skills, and storing them in memory, retrieving, combining and comparing them, and using them in new situations. [1] Studies have shown that dogs display many behaviors associated with intelligence. Aug 10, 2021 · Small and medium puppy breeds grow up pretty quickly. In fact, those petite puppies finish growing at around half the age of their larger counterparts, according to Dr. Klein. “On average, small ... Pigmented Sores. Darkly colored sores are a sign of melanoma, a cancer of the pigment-producing cells. Melanomas in dogs tend to affect the mouth and lips, and they can also be found on their nail beds, footpads and eyes. Specific signs will depend on where the tumor is located and may include a swollen paw, eye discharge or sores in the mouth.A dog’s health is influenced by a number of factors including diet, exercise, and hygiene. A dog’s wet nose contributes to its sense of smell, ability to thermoregulate, and ability to communicate with other dogs. 3 common reasons your dog’s nose is dry: Dehydration. Sunburn.The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it is derived from extinct Pleistocene wolves, and the modern wolf is the dog's nearest living relative.dog ( third-person singular simple present dogs, present participle dogging, simple past and past participle dogged ) ( transitive) To pursue with the intent to catch . Synonyms: chase, chase after, go after, pursue, tag, tail, track, trail. ( transitive) To follow in an annoying or harassing way.Most dogs reach sexual maturity around six months old. Sexual maturity is the physical stage at which a dog can physically sire or give birth to puppies. Having puppies may sound very adult, but if you’ve ever spent time around a six-month-old puppy, you’ll know that they’re not fully grown up.A dog’s health is influenced by a number of factors including diet, exercise, and hygiene. A dog’s wet nose contributes to its sense of smell, ability to thermoregulate, and ability to communicate with other dogs. 3 common reasons your dog’s nose is dry: Dehydration. Sunburn.The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it is derived from extinct Pleistocene wolves, and the modern wolf is the dog's nearest living relative. Certain factors may increase the likelihood of a dog developing impacted, infected or abscessed anal glands: Chronic skin dermatitis. Obesity. Insufficient dietary fiber. Chronic soft stool. Food ...Brussels Griffon. One of the smallest dog breeds in the AKC, the Brussels Griffon can't handle as much roughhousing as some of the sturdier breeds on this list. But if your kids are gentle, they ...Dog. A dog is a mammal in the order Carnivora. The history of dogs is an old tale indeed. You could say as long as there has been civilisation, there have been records of humans and dogs. Dogs were domesticated from wolves around 15,000 years ago. New evidence suggests that dogs were first domesticated in East Asia, possibly China.Dec 25, 2022 · By analyzing the ages of more than 30,000 dogs that died between 2016 and 2020, scientists calculated the average life expectancies of 18 breeds and crossbreeds in the United Kingdom. The dogs had ... Sep 22, 2022 · According to the University of Edinburgh, the smallest canid is the Fennec fox. It is only 9.4 inches (24 centimeters) high and weighs only 2.2 lbs. (1 kilogram). The largest canid is the gray ... Jul 27, 2016 · Breed Specific Liver Diseases in Dogs. Certain breeds of dogs are predisposed to specific liver conditions. Copper storage disease is a known problem in Bedlington terriers, Doberman pinschers, Skye terriers, and West Highland white terriers. In these dogs a metabolic defect causes copper to remain in the liver, leading to chronic hepatitis. Dog - Senses, Smell, Hearing: Dogs have an acute sense of smell and hearing, a poor sense of taste and color vision, and a sensitivity to touch. Dog coats come in a variety of colors and with three basic hair types: short, medium, and long; most are shed seasonally. Sexually maturity occurs between 6-12 months; social maturity occurs at about two years.Dog. A dog is a mammal in the order Carnivora. The history of dogs is an old tale indeed. You could say as long as there has been civilisation, there have been records of humans and dogs. Dogs were domesticated from wolves around 15,000 years ago. New evidence suggests that dogs were first domesticated in East Asia, possibly China. Generally speaking, a service dog or assistance dog is a working dog specially trained to help a person or group of people with a disability or specific needs. However, there is a bit more to the definition of a service dog, especially in the eyes of the law. A service dog is a type of working dog but is very different from other working dogs ...Aug 10, 2021 · Small and medium puppy breeds grow up pretty quickly. In fact, those petite puppies finish growing at around half the age of their larger counterparts, according to Dr. Klein. “On average, small ... Cats and dogs are intelligent in different ways. (Image credit: Jessica Harms via Getty Images) Then, there's brain size. A commonly held notion is that brain size dictates relative intelligence ...Simply place the tip of the thermometer into the armpit area and hold your dog's arm down until the thermometer beeps (this usually takes longer than it does for the rectal). Then, add one degree to the thermometer's reading to get a general idea of your dog's body temperature.Jun 12, 2019 · vaccine schedule for dogs. In most states, the first rabies vaccination is generally given to puppies at or before 16 weeks of age. The second rabies vaccination is given one year after the first vaccine. Then, your dog will be vaccinated every year or every three years depending on the state law and the vaccine used. Mar 26, 2021 · 4. Beagle. The actual origin of the Beagle seems to be obscure with no reliable documentation on the earliest days of development. Their compact size, short, easy-to-care-for coat and intelligence ... Your dog is either pregnant during this time or she is in a period of rest. 4. Anestrus: This is the period of downtime before the next heat cycle, lasting around 6 months.Dog saliva is not alone in these properties. Human and other mammal saliva show similar wound-healing activity, which might help explain why we instinctively hold a cut to our mouths and kiss ...Feb 1, 2021 · Dog saliva is not alone in these properties. Human and other mammal saliva show similar wound-healing activity, which might help explain why we instinctively hold a cut to our mouths and kiss ... Petfinder reports that most animal hospitals charge more than 300 dollars for the surgery. A low-cost clinic may charge in the range of 45 to 135 dollars, but this varies by location. But the proliferation of low-cost spay and neuter clinics makes it worth researching the low-cost options available in a given area. Dog owners brag about canine intelligence, and cat lovers reply that cats are as just smart as dogs, they simply can’t be bothered to obey. Well, new research published in the journal Frontiers ...Lymphoma is a common cancer in people and dogs that affects the lymph nodes and lymphatic system. The lymphatic system is made up of organs, tissues, and vessels. It is responsible for fighting ...According to the University of Edinburgh, the smallest canid is the Fennec fox. It is only 9.4 inches (24 centimeters) high and weighs only 2.2 lbs. (1 kilogram). The largest canid is the gray ...A dog suffering from an anal gland infection or abscess will be in moderate to severe pain. If the gland is infected, the bacteria from the infection causes pus to build up inside the gland. An infection can then lead to an abscess when the pus-filled sac and swollen tissue cause the gland opening to be obstructed.A dog is a domestic mammal of the family Canidae and the order Carnivora. Its scientific name is Canis lupus familiaris. Dogs are a subspecies of the gray wolf, and they are also related to foxes and jackals. Dogs are one of the two most ubiquitous and most popular domestic animals in the world.Pigmented Sores. Darkly colored sores are a sign of melanoma, a cancer of the pigment-producing cells. Melanomas in dogs tend to affect the mouth and lips, and they can also be found on their nail beds, footpads and eyes. Specific signs will depend on where the tumor is located and may include a swollen paw, eye discharge or sores in the mouth.Dog intelligence. Dog intelligence or dog cognition is the process in dogs of acquiring information and conceptual skills, and storing them in memory, retrieving, combining and comparing them, and using them in new situations. [1] Studies have shown that dogs display many behaviors associated with intelligence.Dog breed. Montage showing the morphological variation of the dog. A dog breed is a particular type of dog that was purposefully bred by humans to perform specific tasks, such as herding, hunting, and guarding. Dogs are the most variable mammal on Earth, with artificial selection producing around 450 globally recognized breeds.Thirty million dogs in the United States are registered as pets. Dogs eat both meat and vegetables, often mixed together and sold in stores as dog food. Dogs often have jobs, including police dogs, army dogs, assistance dogs, fire dogs, messenger dogs, hunting dogs, herding dogs, or rescue dogs.The first symptom of distemper in dogs is usually watery to pus-like discharge from his eyes, followed by fever, loss of appetite, and clear nasal discharge. Most dogs develop a fever ...2 days ago · Dog definition: A dog is a very common four-legged animal that is often kept by people as a pet or to... | Meaning, pronunciation, translations and examples Jan 23, 2019 · Symptoms will generally appear about 10-days-to-8-weeks after contact with a dog carrying scabies. Typically, the first signs of the infection will be on the margins of the ears, chest, elbows ... A dog with tracheal collapse will experience bouts of respiratory distress. These episodes can be violent and last a few minutes until they resolve themselves. Obesity and humid weather are other ... A dog's tail is made up of bones covered by muscles, skin, nerves, and tendons, with cartilage providing joint support and flexibility. Dogs communicate through their tails, with different positions indicating different emotions and intentions. Dogs use their tails for balance, movement, stability, and as a rudder when swimming.Cats also tend to live longer than dogs, which is sometimes a consideration when searching for a lifelong furry companion. Pet Training: Cat vs. Dog. When it comes to cat vs. dog training, dogs are generally the easier of the two to train. A dog's pack mentality makes him ready to follow a leader and makes him generally more obedient by nature.Dog breed. Montage showing the morphological variation of the dog. A dog breed is a particular type of dog that was purposefully bred by humans to perform specific tasks, such as herding, hunting, and guarding. Dogs are the most variable mammal on Earth, with artificial selection producing around 450 globally recognized breeds.dog definition: 1. a common animal with four legs, especially kept by people as a pet or to hunt or guard things…. Learn more.Nov 29, 2019 · However, your vet can perform genetic testing and tell you when your dog is ready. Dogs typically go into heat on average every six months, but this varies especially in the beginning. It can take ... These tiny dogs can weigh just 2 to 3 pounds, but they still have big-dog personalities. Yorkies tend to be vocal, protective, and confident. They're also very loyal and loving to their families. Silky coat; colors include black and tan, blue and tan, and more. 7 to 9 years (teacup); 13 to 16 years (toy)Most dogs reach sexual maturity around six months old. Sexual maturity is the physical stage at which a dog can physically sire or give birth to puppies. Having puppies may sound very adult, but if you’ve ever spent time around a six-month-old puppy, you’ll know that they’re not fully grown up.Aug 10, 2022 · A dog's tail is made up of bones covered by muscles, skin, nerves, and tendons, with cartilage providing joint support and flexibility. Dogs communicate through their tails, with different positions indicating different emotions and intentions. Dogs use their tails for balance, movement, stability, and as a rudder when swimming.
Smaller dogs tend to live longer than larger ones, but they may mature more quickly in the first few years of life. A huge pup might age more slowly at first, but be nearing middle age at 5.. High
Dog, facts and photos A border collie stands on the bluff at Raven's Point, Tennessee. Photograph by Stephen Alvarez, NAT GEO IMAGE COLLECTION Animals Reference Domestic dog Common Name:... Jul 14, 2016 · The average lifespan for large dog breeds is 8 to 12 years. This includes large breed dogs such as German Shepherds, Golden Retrievers, Labrador Retrievers, Rottweilers, and Doberman Pinschers, as ... Dog intelligence. Dog intelligence or dog cognition is the process in dogs of acquiring information and conceptual skills, and storing them in memory, retrieving, combining and comparing them, and using them in new situations. [1] Studies have shown that dogs display many behaviors associated with intelligence. Dec 25, 2022 · By analyzing the ages of more than 30,000 dogs that died between 2016 and 2020, scientists calculated the average life expectancies of 18 breeds and crossbreeds in the United Kingdom. The dogs had ... Microchips, because they’re inserted into a dog’s skin, are permanent. While they can’t guide you to your dog’s location, they provide a way for you to be contacted by almost any ...3. Try DIY Grooming: Get some grooming tools and dog shampoo (about $20 and $10 respectively) and get to work at home. Just make sure you have the lowdown on your dog’s coat, so you can work with it properly. 4. Team up for Training: There are a number of apps available to help train your dog, along with videos and online training tips. Do ...Now dogs pretend they like to fight; They often bark, more seldom bite; But yet a Dog is, on the whole, What you would call a simple soul. Of course I'm not including Pekes, And such fantastic canine freaks. The usual Dog about the Town Is much inclined to play the clown And far from showing too much pride Is frequently undignified. Classic signs of pancreatitis in dogs. Hunched back. Repeated vomiting (either several times within a few hours or periodically over several days) Pain or distention of the abdomen (dog appears ...Dog. A dog is a mammal in the order Carnivora. The history of dogs is an old tale indeed. You could say as long as there has been civilisation, there have been records of humans and dogs. Dogs were domesticated from wolves around 15,000 years ago. New evidence suggests that dogs were first domesticated in East Asia, possibly China. Jan 23, 2019 · Symptoms will generally appear about 10-days-to-8-weeks after contact with a dog carrying scabies. Typically, the first signs of the infection will be on the margins of the ears, chest, elbows ... Extant breeds, varieties and types. Note: not all dogs listed below are recognized breeds by an official breed registry that can certify the dog is a purebred, including The Kennel Club (TKC - 1873), the oldest and first official dog breed registry in the world, located in the United Kingdom, and the three oldest breed registries in North America, and largest in the world, including the ...A dog is a domestic mammal of the family Canidae and the order Carnivora. Its scientific name is Canis lupus familiaris. Dogs are a subspecies of the gray wolf, and they are also related to foxes and jackals. Dogs are one of the two most ubiquitous and most popular domestic animals in the world.Extant breeds, varieties and types. Note: not all dogs listed below are recognized breeds by an official breed registry that can certify the dog is a purebred, including The Kennel Club (TKC - 1873), the oldest and first official dog breed registry in the world, located in the United Kingdom, and the three oldest breed registries in North America, and largest in the world, including the ...Turkey: Turkey is a protein source that supports muscle development and energy. Pumpkin: In addition to providing fiber to the diet, pumpkin also contains several vitamins, minerals, and antioxidants. Carrots: Carrots are an excellent source of beta carotene, fiber, Vitamin K1, potassium, and antioxidants.Gestation length according to accurate hormone measurements: 56-58 days from the first day of diestrus. 64-66 days from the initial rise in progesterone. 58-72 days from the first time the bitch ...Female cycle. The average length of the reproductive cycle for females is 2–4 weeks. Females reach sexual maturity (puberty) between 8 and 18 months of age. There is a tremendous variability in the maturation age between breeds, and even within a breed of dog. [5] 1. Jun 12, 2019 · vaccine schedule for dogs. In most states, the first rabies vaccination is generally given to puppies at or before 16 weeks of age. The second rabies vaccination is given one year after the first vaccine. Then, your dog will be vaccinated every year or every three years depending on the state law and the vaccine used. .