. 2009 May 18:435–452. doi: 10.1016/B978-032304048-8.50035-9

Table 31-3.

Acute Respiratory Infection (ARI) under 5 Years of Age: Epidemiology at a Glance

		Incidence 2004: Millions of Cases per Year	Incidence: Events per Child-Year	Case-Fatality Rate: Median	Mortality 2004: Deaths per Year
Developing countries	All ARI	154.5	0.29	2%	2,039,000
	Severe ARI^*	11-20	0.03	10%
Developed countries		1.6	0.026	—	1,000
World		158.5	0.26	—	2,044,000

Severe ARI is ARI severe enough to require hospital admission.

From UNICEF/WHO: Pneumonia: The Forgotten Killer of Children. New York, UNICEF/WHO, 2006; and Rudan I, Tomaskovic L, Boschi-Pinto C, et al: Global estimate of the incidence of clinical pneumonia among children under five years of age. Bull World Health Org 82:895-903, 2004.