Marburg virus disease
acute viral pneumonia :: Article Creator Pneumonia: What To Know Pneumonia is a lung infection that can range from mild to so serious that you have to go to the hospital. It happens when an infection causes air sacs in your lungs (the alveoli) and tubes in your airways that connect to them (bronchioles) to fill with fluid or pus. That can make it hard for you to breathe in enough oxygen. Anyone can get this lung infection. But children younger than 2 and people over 65 are at higher risk. That's because their immune systems might not be strong enough to fight it. Lifestyle habits, like smoking cigarettes and drinking too much alcohol, can also raise your chances of getting pneumonia. You can get pneumonia in one or both lungs. Pneumonia in both lungs is sometimes called bilateral pneumonia or double pneumonia. You can also have pneumonia and not know it. This is sometimes called walking pneumonia. Causes include bacteria, viruses, and ...