Pre-existing T-cell immunity to SARS-CoV-2 in unexposed healthy controls in Ecuador, as detected with a COVID-19 Interferon-Gamma Release Assay

by Gustavo Echeverría, Ángel Guevara, Josefina Coloma, Alison Mera Ruiz, María Mercedes Vasquez, Eduardo Tejera, Jacobus H. de Waard
Published 2021-04-01

A new DNA extraction protocol for screwworm fly Cochliomyia species. (Diptera: Calliphoridae).

by Gustavo eEcheverría-Fonseca, Patricia Alison Mera-Ruiz, Jenny eCarrillo-Toro, Richar eRodriguez-Hidalgo, Richar eRodriguez-Hidalgo
Published 2015-01-01