Pneumonia - Symptoms and causes - Mayo Clinic Pneumonia is an infection that inflames the air sacs in one or both lungs The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing A variety of organisms, including bacteria, viruses and fungi, can cause pneumonia
Infectious Diseases A–Z: What you need to know about pneumonia Pneumonia can affect anyone, but the age groups at highest risk are children younger than age 2 and people older than age 65 "When we talk about pneumonia, we're referring to an infection in the lungs," says Dr Nipunie Rajapakse, a Mayo Clinic pediatric infectious diseases specialist
Consumer Health: Recognizing the signs of pneumonia Symptoms The signs and symptoms of pneumonia vary from mild to severe, depending on factors such as the type of germ causing the infection, your age and your overall health Mild signs and symptoms often are similar to those of a cold or flu, but they last longer Signs and symptoms of pneumonia may include: Chest pain when you breathe or cough
What do you know about pneumonia? - Mayo Clinic News Network Pneumonia is an infection that inflames the air sacs in one or both lungs The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills and difficulty breathing A variety of organisms, including bacteria, viruses and fungi, can cause pneumonia Causes Many germs can cause pneumonia The most common are bacteria and viruses in the air you breathe
Which adults benefit from the pneumococcal vaccine? Most adults avoid invasive pneumococcal infections Their immune systems fend off Streptococcus pneumoniae bacteria — also known as pneumococcus — before they can migrate beyond…