Table 3.

Detection rates of rotavirus A in children with diarrheal disease by age group and Rotarix vaccination status in Brazil, 2006–2017, through laboratory-based surveillance

	RVAa positivity rate	Odds ratio	95% CIb	p-value
Age group / Vaccination status
4–11 months
Not vaccinated	58/237 (24.5%)	1
One dose	63/323 (19.5%)	0.74	0.50–1.12	0.176
Two doses	125/1052 (11.9%)	0.41	0.29–0.59	< 0.001
12–24 months
Not vaccinated	77/260 (29.6%)	1
One dose	34/156 (21.8%)	0.66	0.41–1.05	0.086
Two doses	253/1395 (18.1%)	0.52	0.39–0.71	< 0.001
25–48 months
Not vaccinated	87/253 (34.4%)	1
One dose	26/65 (40%)	1.27	0.72–2.22	0.399
Two doses	169/643 (26.3%)	0.68	0.49–0.93	0.017

^aRotavirus A; ^bConfidence interval