Prospective evaluation of Leptospira spp. infection in goats maintained in field conditions in the Caatinga biome, Brazil Mayla de Lisbôa Padilha; Lídio Ricardo Bezerra de Melo; Clécio Henrique Limeira; Nathália Maria de Andrade Magalhães; Maria Luana Cristiny Rodrigues Silva; Rafael Rodrigues Soares; Clebert José Alves; Severino Silvano dos Santos Higino; Carolina de Sousa Américo Batista Santos; Sérgio Santos de Azevedo;

Human hookworms from Argentina: Differential diagnosis of Necator americanus and Ancylostoma duodenale in endemic populations from Buenos Aires and Misiones Andrea Servián; Silvia A. Repetto; María Lorena Zonta; Graciela T. Navone;

Saliva screening of health care workers for SARS-CoV-2 detection Marcela Echavarria; Noelia S. Reyes; Pamela E. Rodriguez; Carmen Ricarte; Martin Ypas; Alejandro Seoane; Marcia Querci; Marianela Brizio; Martin E. Stryjewski; Guadalupe Carballal;