**Core Concept**
Chlamydia psittacosis is a zoonotic infection caused by the bacterium *Chlamydophila psittaci*, typically transmitted to humans from infected birds. The underlying principle being tested involves the epidemiology, transmission, and clinical manifestations of this disease.

**Why the Correct Answer is Right**
Since the actual options are missing, let's discuss the general approach to identifying an incorrect statement about Chlamydia psittacosis. This bacterium is known for causing psittacosis, a type of pneumonia. The correct answer would be based on understanding the true characteristics of the disease, such as its transmission primarily through inhalation of aerosols from infected bird droppings, its symptoms which can range from mild to severe pneumonia, and the fact that it is treatable with antibiotics.

**Why Each Wrong Option is Incorrect**
**Option A:** Without the actual statement, we cannot assess its accuracy directly, but typically, incorrect statements might involve misinformation about the mode of transmission or the disease's severity.
**Option B:** Similarly, without the statement, we can't evaluate its correctness, but an incorrect option might wrongly describe the bacterium's characteristics or the disease's diagnostic methods.
**Option C:** An incorrect statement here could involve false information about the treatment or prevention of psittacosis.
**Option D:** This might include a misconception about the disease's epidemiology or its impact on different populations.

**Clinical Pearl / High-Yield Fact**
A key point to remember about Chlamydia psittacosis is its association with birds, particularly parrots and pigeons, and the importance of prompt antibiotic treatment to prevent complications.

**Correct Answer:** D. Not enough information provided to fill this section accurately.