Pneumonia is caused by the inhalation of infected microorganisms (tiny, single-celled living organisms, such as bacteria, viruses, fungi or protozoa) spread through contact with an infected person. The microorganisms enter the body through the mouth, nose and eyes. If the body's resistance is down, the natural process of fighting off diseases is weakened and the microorganisms are free to spread into the lungs and the lungs'...
Annual vaccinations for influenza virus are recommended for many groups of people. I strongly suggest that all people over the age of 65,... Read more »
In this entry, I would like to review the impact that severe infections from a common pneumonia bacterium can have on asthmatics and... Read more »
Source: ADAM Encyclopedia
CausesBacteria are the most common causes of pneumonia. However, pneumonia can also be caused by viruses, fungi, and other agents. It is often... Read more »
Source: Harvard Decision Guide
When To Call A Professional A simple cold or bronchitis caused by a virus can share many of the same symptoms as pneumonia. Pneumonia is possible... Read more »
Source: ADAM Encyclopedia
Diagnostic Difficulties in Community-Acquired Pneumonia (CAP). It is important to determine whether the cause of CAP is a bacterium, atypical... Read more »
Source: ADAM Encyclopedia
PrognosisBetween 5 and 10 million people get pneumonia in the United States each year, and more than 1 million people are hospitalized due to the... Read more »
Source: ADAM Encyclopedia
PreventionThe best way to prevent serious respiratory infections such as pneumonia is to avoid sick people (if possible), and to practice good... Read more »