"Pneumonia ranks 8th as a cause of death in the USA and is the most deadly of the infectious diseases. Poverty, age, and access to vaccination and antibiotics are the main causes of global variation. In 2019, 2.5 million people died of ‘clinical’ pneumonia, and pneumonia was the leading cause of death for children under 5 years."
"Middle East respiratory syndrome (MERS)"
"Although pneumonia has been recognised for millennia, the cause was a mystery until the 1880s when Streptococcus pneumoniae was first identified ref."
Expected headings
"Classification"
"Complications"
"some interstitial lung diseases have been classified as interstitial pneumonia; some would argue that it would be less confusing to use the term pneumonitis for these inflammatory/fibrotic diseases"
"lobar pneumonia, single or multilobar pneumonia"