CBSE Class 7 Answered

Pneumonia is a common lung infection caused by bacteria (Streptococcus pneumoniae), virus or fungi. 

Ways by which one can get pneumonia:

• Bacteria and viruses living in the nose, sinuses or mouth may spread to the lungs.
• One can breathe some of these germs directly into his lungs.

Symptoms of pneumonia:

• Chest pain
• Shaking chills
• Fever
• Dry cough
• Muscle aches
• Nausea/vomiting
• Rapid breathing
• Rapid heartbeat
• Difficulty breathing

Treatment of pneumonia:

• Medications and participating in follow-up care
• A chest x-ray may be ordered to ensure your pneumonia has been successfully treated.