Lineage(2) Alpha variant(2) predict(2) offer(2) variant(2) predicted(2) variants(2) pathogen(2) Beta(2) Lineage B.1.1.7(2) strain(2) Mutation(2) Effect(2) delta variant(2) explain(2) Prevalence(2) pathway(2) circulation(2) interactions(2) virus spike protein(2) COVID-19(2) SARS-CoV-2 variant(2) less(2) Spike protein(2) spike mutation(2) epidemiological(2) estimate(2) Predictive(2) B.1.351(2) approach(2)