Incidence of viral respiratory infections in a prospective cohort of outpatient and hospitalized children aged ≤5 years and its associated cost in Buenos Aires, Argentina

Table 4 Incidence of respiratory viruses per 1000 hospitalized children per year, 2008–2010

	Hospitalized with at least one respiratory sign or symptom				Severe acute lower respiratory infection				Severe acute respiratory infection
	<6	6–23	24–71	All	<6	6–23	24–71	All	<6	6–23	24–71	All
RSV	24	13	1	6	13	11	0.4	4	13	10	0.7	4
Metapneumovirus	8	-	-	1	5	-	-	0.5	3	-	-	0.2
Influenza	8	2	1	2	3	-	0.4	0.5	3	1	1	1
Adenovirus	-	1	-	0.2	-	0.9	-	0.2	-	1	-	0.2
Parainfluenza	-	-	-	-	-	-	-	-	-	-	-	-
Rhinovirus	5	12	4	6	3	8	3	4	3	5	2	3

The incidence of RSV (24/1000 children-years), influenza (8/1000 children-years) and human metapneumovirus (8/1000 children-years) illnesses was highest among hospitalized children aged <6 months and decreased among older children. In contrast, the incidence of rhinovirus was highest (12/1000 children-years) among those aged 6–23 months

ISSN: 1471-2334