Keep reading to learn about the four stages of COPD. We’ll discuss the ... Your doctor may also recommend getting flu, COVID-19, and pneumonia vaccines to prevent illnesses that may worsen ...

Lobar pneumonia (characterized by infected and inflamed lobes of the lung) may follow four distinct stages, which can help guide treatment and assess the severity of infection. However ...

The elderly are more susceptible to pneumonia than younger populations. The prevalence of both disability and comorbid diseases increase with age and are associated with increased risk of pneumonia.