Tags: 
double pneumonia severity, 
bilateral pneumonia, 
Pope pneumonia, 
Dr. Ann Hackfort, 
pneumonia type, 
bacterial pneumonia, 
pneumococcal vaccination, 
double pneumonia prevention, 
double pneumonia symptoms, 
double pneumonia diagnosis, 
double pneumonia treatment, 
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double pneumonia, 
PneumoniaThe contagious infection can lead to hospitalization.