Pneumonia is a lung infection which causes inflammation in the alveoli or air sacs in the lungs these can fill with fluid or pus if the infection is very severe, this, in turn, produces a cough with phlegm, fever, chills, and breathing problems.
What is Pneumonia?
Pneumonia is a lung infection which causes inflammation in the alveoli or air sacs in the lungs these can fill with fluid or pus if the infection is very severe, this, in turn, produces a cough with phlegm, fever, chills, and breathing problems.
The infection can affect one or both lungs, and ranges from mild to life-threatening especially for infants, people 65 or older, and individuals who are sick or have a weakened immune system.