Robertson, Sally (27 de junio de 2021). «Lambda lineage of SARS-CoV-2 has potential to become variant of concern». News Medical | Life Sciences(en inglés). Consultado el 5 de julio de 2021. «The Lambda variant also contained a novel deletion (Δ246-252) and multiple nonsynonymous mutations (G75V, T76I, L452Q, F490S, D614G, and T859N) in the gene that encodes the viral spike protein.».