ObjectivesTo verify the frequency of viruses causing acute gastroenteritis (AGE) in association with histo-blood group antigen (HBGA) and Rotarix™ vaccination coverage children from Amazon region.DesignFecal saliva samples were collected AGE (n = 485) respiratory infection (ARI) 249) clinical symptoms. Rotavirus A (RVA), norovirus, human adenovirus (HAdV), sapovirus (SaV) verified feces by mole...