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The general tendency is for viruses to become less deadly with increasing mutations. Highly deadly strains kill too quickly to spread well, whereas the common c
by tsol 5y ago
The general tendency is for viruses to become less deadly with increasing mutations. Highly deadly strains kill too quickly to spread well, whereas the common cold kills relatively few but hangs around long enough to keep moving from person to person.
Viruses dont "care" to kill people, viruses only "want" to spread. That's what drives a viruses growth
- ed_balls 5y agoThat is not true for Covid. It's an upper respiratory virus which infects others before causing symptoms. It's possible to develop a variant that spreads, but kills everybody (highly unlikely in practice). There is no strong evolutionary pressure like in case of SARS-COV-1