In the United States, the Centers for Disease Control and Prevention say common causes of viral pneumonia are "influenza and respiratory syncytial virus (RSV), and a common cause of bacterial pneumonia is Streptococcus pneumoniae (pneumococcus)." Another common bacterial cause of pneumonia is infection with bacteria Haemophilus influenzae type b (Hib), which also causes meningitis. Aspiration pneumonia infections can occur if you inhale food, drink, vomit or harmful substances, such as smoke or chemicals, into your lungs. Globally, pneumonia makes up 15% of all deaths among children under 5 years of age, with more than 920,000 deaths reported in 2015, according to WHOBut adult and child deaths from pneumonia vary greatly by country. In the same time period in South Africa, there were 1,168 pneumonia deaths per million.

Source: CNN September 12, 2016 14:15 UTC