As a field expert in animal behavior and veterinary medicine, I've spent a considerable amount of time studying the interactions between humans and their pets, particularly dogs. The question of whether it is okay to be licked by a dog is a nuanced one, with both biological and social considerations to take into account.

Firstly, it's important to dispel a common myth. **It's a myth that dog saliva is cleaner than human saliva.** In fact, dogs' mouths can harbor a variety of bacteria, some of which are unique to dogs and not typically found in the human oral microbiome. This is not to say that all of these bacteria are harmful, but there is a potential for certain bacteria to cause health issues.

One such bacterium is Pasteurella, which is known to live in the mouths of some dogs and cats. Pasteurella can be transmitted through a dog's lick or bite and is one of the more common pathogens that people can contract from such interactions. If this bacterium comes into contact with an open sore or wound, it can cause an infection. This is particularly concerning for individuals with compromised immune systems, such as the elderly, very young, or those undergoing medical treatments that weaken the immune response.

However, it's also worth noting that the human body has a remarkable ability to fend off many of the bacteria it encounters. Our skin acts as a barrier, and our immune systems are equipped to handle a wide array of pathogens. For most healthy individuals, the occasional lick from a dog is not likely to result in any significant health problems.

That being said, there are still precautions that pet owners and those who interact with dogs should take. Regular dental care for pets can help reduce the number of bacteria in a dog's mouth. This includes brushing a dog's teeth with pet-safe toothpaste and providing dental chews or toys that are designed to clean teeth.

Additionally, it's important to maintain good personal hygiene. Washing hands thoroughly after interacting with pets, especially before eating or touching one's face, can go a long way in preventing the spread of bacteria. If you have an open wound, it's best to avoid contact with pet saliva until the wound has healed.

In the context of social norms, cultural differences can also play a role. In some cultures, being licked by a dog is seen as a sign of affection and is perfectly acceptable. In others, it might be considered unsanitary or inappropriate. Understanding and respecting cultural perspectives is crucial when considering the acceptability of such interactions.

In conclusion, while there are potential health risks associated with being licked by a dog, these risks can be mitigated through proper hygiene and pet care. For most healthy individuals, the occasional lick from a well-cared-for pet is not a cause for concern. However, it's always important to be aware of the potential for infection and to take appropriate precautions, especially for those with weakened immune systems or open wounds.

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It's a myth that dog saliva is cleaner than human saliva. ... Pasteurella, a bacterium that lives in the mouths of some dogs and cats, is one of the more common pathogens people can contract from a dog lick or bite. It can cause an infection if it comes into contact with an open sore or wound, Wortmann says.Mar 13, 2015read more >>