I'm not 100% sure, but I'd say the availability of vaccines and medicine.
Answer:During attachment and penetration, the virus attaches itself to a host cell and injects its genetic material into it. During uncoating, replication, and assembly, the viral DNA or RNA incorporates itself into the host cell's genetic material and induces it to replicate the viral genome.
Explanation:
Carl Linnaeus was the father of modern taxonomy. He came up with the idea of a universal system of binomial nomenclature (which is made up of the genus and species, respectively).
Hope that helps!
