National University of San Marcos

Trace-element enrichment in agricultural soils under wastewater-influenced surface-water irrigation: a plot-scale study in an Andean micro-watershed

Abstract The use of wastewater-influenced surface waters for agricultural irrigation is common in many regions, yet its implications for soil geochemistry remain insufficiently characterized, particularly in Andean micro-watersheds. This study evaluates the occurrence and distrib...

Immunization withthe Tc85-Derived Peptide Displayedon Virus-like Particles Confers Protection against Trypanosoma cruzi Infection

Abstract Chagas disease, caused by the Trypanosoma cruzi, remains a major global health burden with limited prophylactic options. We describe a vaccine platform that leverages a peptide epitope derived from the T. cruzi trans-sialidase group II (Tc85pep), displayed on the virus-l...

Social Approach to the Epidemiological Characterization of COVID-19 Cases in the Tumbes Region

The aim of the study was to analyse the epidemiological characteristics of confirmed COVID-19 cases in the Tumbes region between March 2020 and December 2022. Method: An ecological design with a descriptive approach was used for the study population, which consisted of 51,421 con...