A bout of pneumonia happens in four stages: congestion, red hepatization, grey hepatization, and resolution. The names of each stage refer to how the infection progresses over time. The initial ...

The GOLD system previously classified COPD from stages 1 to 4 solely based on your lung capacity ... Your doctor may also recommend getting flu, COVID-19, and pneumonia vaccines to prevent ...

Still, there are widespread outbreaks every 4-8 years. Some people with walking ... What are the four stages of walking pneumonia? Stage I is congestion, during which you may have a cough and ...