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Pneumonia can be contagious. Some of the viruses and bacteria that cause pneumonia are more contagious than others. People with a weak immune system are more likely to catch pneumonia from someone who already has it. But in most cases, if the germs that cause pneumonia are passed on to someone, they create a milder infection, such as the common cold.
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Pneumonia is an inflammation of the lung tissue. It is usually caused by an infection with bacteria or viruses. The symptoms of pneumonia include a cough that produces lots of mucus; fever; tiredness, and difficulty breathing.
Pneumonia is usually caused by an infection with bacteria or viruses that have been inhaled into the lungs. Your body's immune system then sends white blood cells to attack the germs that are causing the infection. This causes the air sacs in the lung to become …
Anyone can get pneumonia, but y