evolution
2022-03-15 @ 12.23.17 ∈ In English
(Slightly fearmongering, but the bit I quoted below seems solid.)
Antigenic evolution will lead to new SARS-CoV-2 variants with unpredictable severity - Nature Reviews Microbiology
Unlike viral immune escape and transmissibility, which are under strong evolutionary pressure, virulence is typically a by-product, fashioned by complex interactions between factors in both the host and the pathogen.