1 Impact of a twelve-year rotavirus vaccine program on acute diarrhea mortality and hospitalization in Brazil Myrela Conceição Santos de Jesus1¶ Victor Santana Santos2¶ Luciane Moreno Storti-Melo3 Carlos Dornels Freire de Souza4 Íkaro Daniel de Carvalho Barreto5 Marcelo Vitor Costa Paes6 Pablo Amércio Silva Lima6 Anna Klara Bohland6 Eitan N. Berezin7 Ricardo Luiz Dantas Machado1,8 Luis Eduardo Cuevas9& Ricardo Queiroz Gurgel6& Affiliations 1 Postgraduate Program in Applied Microbiology and Parasitology, Federal University of Fluminense, Niterói, Rio de Janeiro, Brazil. 2 Departamento de Enfermagem. Núcleo de Epidemiologia e Saúde Pública. Universidade Federal de Alagoas, Arapiraca, Brazil. 3 Department of Biology, Federal University of Sergipe, São Cristóvão, Brazil. 4 Department of Medicine. Federal University of Alagoas, Arapiraca, Brazil.