It is usually caused by bacteria, fungi, viruses and sometimes by physical and chemical irritants. It typically presents with fever, chest congestion, difficulty breathing, cough and sputum. In middle-aged adults, common causes include Streptococcus pneumoniae, Haemophilus influenzae, anaerobes, viruses, and Mycoplasma. This study investigated clinical effectiveness of PCV13 vaccination in preventing hospitalisation from pneumonia among middle-aged and older adults. The study was a population-based cohort study that looked at over two million people over the age of 50 residing in Catalonia, Spain.
Sep 30, 2014 · Using an all-payer dataset from California, we compared the rate, timing, and readmission diagnoses following hospitalization for HF, AMI, and pneumonia between young and middle-aged adults aged 18–64 years and those aged ≥65 years.Cited by: 68. Possible Pneumonia Complications. People who may be more likely to have complications from pneumonia include: Older adults or very young children. People whose immune system does not work well. People with other, serious medical problems such as diabetes or cirrhosis of the liver. Possible complications include.
Articles On Pneumonia. Anyone can get this lung infection. But infants younger than age 2 and people over age 65 have the highest odds. That’s because their immune systems might not be strong enough to fight it. You can get pneumonia in one or both lungs. You can also have it and not know it. Alcoholism usually results in unbalanced nutrition, as well as decreased immune function. A middle-aged adult, an older adult with wheezing induced by exercise, and a young adult vegetarian would not be at risk for community-acquired pneumonia because they have no predisposing conditions.