About 20% of those with CAP require treatment in a hospital.This article discusses both community-acquired pneumonia (CAP), which is acquired outside of the health care setting, and hospital-acquired (or healthcare-acquired) pneumonia (HAP), which is typically more serious.Signs and symptoms of pneumonia include.Most cases of pneumonia begin with symptoms similar to those of a cold or the flu that lasts longer than the flu (about seven to 10 days) and become more severe.The most common bacterial type that causes pneumonia is Streptococcus pneumoniae. According to the CDC, about 3%-17% of patients with COVID-19 develop lung-related complications that require hospitalization, such as pneumonia.Pneumonia may be caused by viral infections, bacterial infections, or fungi less frequently by other causes.Pneumonia is a lung disease characterized by inflammation of the airspace in the lungs, most commonly due to an infection.Patient Comments: Pneumonia Vaccine - Prevention and Side Effects.Patient Comments: Pneumonia - Treatment.Are side effects associated with the pneumonia vaccine?.How many pneumonia vaccines do you need?.Can the pneumonia vaccine prevent pneumonia?.Which types of doctors treat pneumonia?.What is the prognosis and recovery time of pneumonia? Can you die?.When do the symptoms and signs of pneumonia start?.What are the symptoms and signs of pneumonia?.