Pathogen

A pathogen is any microorganism—such as a virus, bacteria, fungus, or parasite—that can cause disease in dogs.

Why It Is Important?

These harmful organisms invade a dog's body, evade its immune defenses, and disrupt normal biological functions, leading to illness.

How to Apply to Your Dog?

Pathogens enter the body through various routes, such as ingestion, inhalation, wounds, or insect bites.

Additional Information?

Common clinical signs include fever, vomiting, diarrhea, lethargy, loss of appetite, coughing or difficulty breathing, and skin lesions or itching.