Samudio, Angélica, Pablo H Sotelo, Pamela González-Maldonado, Laura Alfonso, Fernando Valiente-Echeverría, Ricardo Soto-Rifo, and Patricia Langjahr. 2023. “Neutralizing Antibodies from Naturally Infected Individuals Against SARS-CoV-2 Gamma and Delta Variants in the Paraguayan Population”. The Journal of Infection in Developing Countries 17 (10):1407-12. https://doi.org/10.3855/jidc.16955.