Johana HernándezGabriela DelgadoMarcela GuevaraSilvia Restrepo2026-03-222026-03-22202110.56085/01238590.178https://doi.org/10.56085/01238590.178https://andeanlibrary.org/handle/123456789/72724esHumanitiesPolitical sciencePhilosophyUniversidad de los Andes confirman presencia de variantes Alpha, Beta y Gamma 19 en Bogotáarticle