Viral mutation and evolution
Viral evolution
adenine, cytosine, uracil, guanine
Darwinian evolution
Species undergo random mutation
Making most less fit
But making a few more fit
Fit means compete, survive, reproduce
Natural selection will ‘select’ the more fit
Viruses usually become less virulent over time
Increased virulence / transmissibility
Mutations that increase transmissibility
Mutations that can avoid antibodies
Mutations that can avoid vaccination defences
Видео Viral mutation and evolution канала Dr. John Campbell
adenine, cytosine, uracil, guanine
Darwinian evolution
Species undergo random mutation
Making most less fit
But making a few more fit
Fit means compete, survive, reproduce
Natural selection will ‘select’ the more fit
Viruses usually become less virulent over time
Increased virulence / transmissibility
Mutations that increase transmissibility
Mutations that can avoid antibodies
Mutations that can avoid vaccination defences
Видео Viral mutation and evolution канала Dr. John Campbell
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