The different plants and animals adapted to live in several layers of the rainforest.
What Is Parrot Fever? Parrot fever, also called parrot disease and psittacosis, is very rare. According to the Centers for Disease Control and Prevention, there have been fewer than 50 confirmed cases per year in the United States since 1996, although many cases may have gone undiagnosed or unreported (CDC).
20 Diseases You've Probably Never Heard Of. There are thousands of people who are deeply affected by rare diseases. You might not have heard of Jumping Frenchman of Maine or Hailey-Hailey Syndrome, but these diseases, syndromes and disorders don't feel 'rare' to the people and families afflicted with them. In fact, there are thousands of people who are deeply affected by the 1,000+ diseases covered in the National Organization for Rare Disorders (NORD) database.