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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

From: The evolving epidemiology of rotavirus A infection in Brazil a decade after the introduction of universal vaccination with Rotarix®

  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
  1. aRotavirus A; bConfidence interval