Part 1: Discuss the following questions in 300+ words and reference at least two peer-reviewed scholarly references in APA 7 format from within the last 5 years.

1. What are the main pathogens that cause pneumonia?
2. How would the treatment for pneumonia in a 23-year-old otherwise healthy patient possibly differ from a 66-year-old diabetic COPD patient.
3. Would you order the same antibiotics for both patients?
4. How would you determine if your patient needs to be hospitalized for pneumonia?

Part 2: Reply to two discussions about the same topics in 150+ words each and provide at least one peer-reviewed reference from within the last 5 years for each reply.