It could be caused be a simple cold
streptococus pneumonia
Pneumonia
Pneumonia can result from a variety of causes, including infection with bacteria, viruses, fungi, or parasites.
It causes an infection in your lungs which adversely affects respiration, O2 uptake, etc..
Pneumonia causes inflammatory condition of the lung's alveoli brought on by infection which can be caused by viruses, bacteria, parasites or fungi. The infection causes inflammation, and if sustained damages the lungs, or might cause respiratory arrest.
Complications such as bacterial infection of the open skin lesions, pneumonia, or bone infections are the major causes of death from smallpox.
Nimonia (pneumonia) fever is the fever that occurs with the lung infection pneumonia. Pneumonia is a serious infection caused by bacteria, virus, or fungus. The fever that accompanies pneumonia is the body's way of trying to fight this infection.
Pneumonia caused by an infection with an encapsulated bacteria.
It is a confined infection.
Pneumonia is an infection or inflammatory response in the respiratory system. The lung is where the most signs of pneumonia can be seen in an individual with this condition. Pneumonia is most commonly caused by viruses, bacteria, and irritants, although there are other causes of pneumonia that are less common, such as fungal infections and chemical or smoke inhalation, etc.
Pneumonia is one type of lung infection, but not all infections are pneumonia. It depends on which sort of bacteria are causing the infection and where in the lungs the infection is.
pneumonia is when there is an infection in your lungs.