A few of the more common causes of shaking, shivering, trembling, or tremors in dogs include: Distemper. Caused by a virus, canine distemper most often occurs in puppies and adolescent dogs that haven't been fully vaccinated. It's a common cause of tremors in dogs.
The Chilean strawberry (or a group of very similar subspecies) is actually native to coastlines in both North and South America, and the Hawaiian islands. Likewise, the Virginian strawberry is actually indigenous to much of eastern North America.
The largest strawberry producing country is the United States, growing 20-25% of the world's annual production; Spain is the world's second largest producer, with about 6-7%. Spain is also the world's largest exporter of fresh strawberries (Poland is the world's largest exporter of frozen strawberries).