Pneumonia
Infection that inflames air sacs in one or both lungs, which may fill with fluid.
- Some types preventable by vaccine
- Treatable by a medical professional
- Requires a medical diagnosis
- Lab tests or imaging always required
- Spreads by airborne droplets
- Short-term: resolves within days to weeks
With pneumonia, the air sacs may fill with fluid or pus. The infection can be life-threatening to infants, children, and people over 65.
Very common: More than 3 million US cases per year
Consult a doctor for medical advice
Sources: Mayo Clinic and others. Learn more
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