Seroprevalence of hepatitis E virus infection in blood donors from Piauí State, Northeast Brazil João Paulo da Silva-Sampaio; Raniela Borges Sinimbu; Julia Trece Marques; Abilio Francisco de Oliveira Neto; Livia Melo Villar;

Presence of dengue virus RNA in urine and oral fluid of laboratory-confirmed dengue patients: Implications for wastewater surveillance Christine Stauber; Leile Camila Jacob-Nascimento; Caroline Grosch; Moisés da Silva Sousa; Moyra M. Portilho; Rosângela O. Anjos; Margo A. Brinton; Uriel Kitron; Mitermayer G. Reis; Guilherme S. Ribeiro;

Simultaneous detection of arboviruses by a multiplex RT-qPCR assay in Tocantins, a northern state of Brazil Matheus Martins Daude; Erika Regina Manuli; Geovana Maria Pereira; Alfredo Ramon Alfonso Cavalcante Junior; Ueric José Borges de Souza; Gessi Carvalho de Araujo; Flávio Augusto de Pádua Milagres; Ester Cerdeira Sabino; Horllys Gomes Barreto;