R₀ is the expected number of cases generated from a single case, subject to environmental circumstances and the behavior of a susceptible population.

Virus exists at the edge of life, on the threshold of being and non-being, of unclear origin, molecules of genetic material hostage to the environment, microbiological warrior, infectious, contagious, pathogen armed with antigen, needing a carrier to evolve.

incidental contact, accidental host, replication, mutation, disease airborne, a pandemic is born

antibody, antidote, anti this, anti that, communal denial, going viral, herd immunity, unheard community, emotions wrought, solutions sought, lessons taught, all for naught?

unpredictable
biological warfare
cooperation.