Protecting your dog from infectious diseases involves taking several steps to reduce their risk of exposure and boost their immune system. Here are some ways you can protect your dog from getting infected with an infectious disease:

1. Vaccinations: Vaccinating your dog against common infectious diseases is one of the most important ways to protect them. Make sure your dog receives all the necessary vaccines recommended by your veterinarian, including core vaccines such as rabies, distemper, parvovirus, and adenovirus.
2. Regular vet check-ups: Regular check-ups with your veterinarian can help detect any potential health issues early on, including infectious diseases. Make sure to schedule annual or bi-annual wellness visits for your dog.
3. Proper nutrition: A well-balanced diet can help boost your dog’s immune system, making them less susceptible to infections. Feed your dog a high-quality diet that is appropriate for their age, breed, and health status.
4. Exercise: Regular exercise can help keep your dog in good physical condition, which in turn can help boost their immune system. Aim for at least 30 minutes of exercise each day, depending on your dog’s breed and age.
5. Clean living environment: Keep your dog’s living environment clean and free of parasites and bacteria. Clean and disinfect your dog’s bowls, bedding, toys, and other belongings regularly, and keep their living area well-ventilated.
6. Avoid contact with sick dogs: Avoid exposing your dog to other dogs that are sick or showing signs of illness, such as coughing or sneezing.
7. Parasite prevention: Parasites such as fleas, ticks, and heartworms can weaken your dog’s immune system and make them more susceptible to infectious diseases. Use appropriate preventive measures such as monthly flea and tick treatments and heartworm preventives.
8. Practice good hygiene: Practicing good hygiene can help prevent the spread of infectious diseases. Wash your hands thoroughly after handling your dog or their belongings, and avoid allowing your dog to come into contact with human food or waste.

In summary, protecting your dog from infectious diseases involves taking several steps to reduce their risk of exposure and boost their immune system. Regular vet check-ups, vaccinations, proper nutrition, exercise, a clean living environment, avoiding contact with sick dogs, parasite prevention, and practicing good hygiene are all important ways to protect your dog’s health and wellbeing.