Premiums for big dogs and purebreds are generally higher. But as one expert put it, “Every dog can get sick.” Here’s what to know about coverage. Pets, Content Type: Service, Dogs, Cats, Insurance, Personal Finances, Veterinary Medicine Premiums for big dogs and purebreds are generally higher. But as one expert put it, “Every dog can get sick.” Here’s what to know about coverage. NYT > Business