Older children as children become older viruses become less frequent pathogens and bacterial infection more prominent Mycoplasma pneumoniae is a common cause of pneumonia in school age children tuberculosis should be considered at all agesOlder Children ◼ As children become older, viruses become less frequent pathogens and bacterial infection more prominent. Mycoplasma pneumoniae is a common cause of pneumonia in school age children. Tuberculosis should be considered at all ages