Sathish Sankar, Kaushika Anandharaman, Pradeesh Selvam, Aswini Jayaraman, Deepak Jayakumar, Pachamuthu Balakrishnan, Marie Larsson, Vijayakumar Velu, Sivadoss Raju, Esaki M. Shankar. "Genomic evolution of SARS-CoV-2 delta variants pre- and post-omicron emergence using alignment-free machine learning models." PLoS ONE (2026). https://doi.org/10.1371/journal.pone.0345259