(HealthDay News) -- Pneumonia is a lung infection that most often spreads through coughing, sneezing or touching.
Most people recover in one to three weeks, but pneumonia can be deadly, especially among people with weaker immune systems.
The American Lung Association explains how pneumonia may be diagnosed:
52 Kids Have Died From Flu So Far This Season as Child Hospitalizations Rise
Flu, COVID Increase Risk of Heart Attack, Stroke
Childhood Flu Shots Prevent Millions of Cases, Study Finds
New Trial Shows Pfizer’s mRNA Flu Shot Beats Traditional Flu Vaccine
Tamiflu Helps Keep Severely Ill Kids Out Of The ICU, Study Finds