- Abnormal Chest X-ray (CXR): Chest X-ray (posteroanterior and lateral) reveals evidence of pneumonia or a clinically significant abnormality not believed to be due to the presence of COPD, or another condition that would hinder the ability to detect an infiltrate on CXR (e.g. significant cardiomegaly, pleural effusion or scarring). All subjects will have a CXR at Screening Visit 1) (or historical radiograph or Computed Tomography [CT] scan obtained within 3 months prior to screening) that will be over-read by a central vendor. Note: Subjects who have experienced pneumonia and/or moderate or severe COPD exacerbation within 3 months of screening must provide a post pneumonia/exacerbation CXR to be over-read by the central vendor or have a CXR conducted at Screening. For sites in Germany: If a chest x-ray (or CT scan) within 3 months prior to Screening (Visit 1) is not available, approval to conduct a diagnostic CXR will need to be obtained from the Federal Office for Radiation Protection (BfS).