Final answer:
Canine intestinal worms, like roundworms, hookworms, and tapeworms, are contagious parasites that can be transmitted through various means and can cause health issues in dogs and humans.
Explanation:
Canine intestinal worms, such as roundworms, hookworms, and tapeworms, are contagious parasites that can be transmitted through various means like ingestion of contaminated food or direct contact with infected animals. These worms can cause health issues in dogs and sometimes in humans who come in contact with infected animals or their feces.
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