Samudio, Angélica, Pablo H Sotelo, Pamela González-Maldonado, Laura Alfonso, Fernando Valiente-Echeverría, Ricardo Soto-Rifo, and Patricia Langjahr. “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, no. 10 (October 31, 2023): 1407–1412. Accessed July 3, 2024. https://jidc.org/index.php/journal/article/view/37956377.