The probability is also some argument by increduality anyway: 10-11, or you know, an occurrence rate of 10 after a trillion attempts.
In an "average" COVID-19 infection course in an adult human, it is estimated that at peak infection a person has 10^9 to 10^11 virion particles in their body alone. Multiply by the all the people infected, + all the animals, + parallel gene transfer with other viruses in the ecosystem...
In an "average" COVID-19 infection course in an adult human, it is estimated that at peak infection a person has 10^9 to 10^11 virion particles in their body alone. Multiply by the all the people infected, + all the animals, + parallel gene transfer with other viruses in the ecosystem...
[1] https://www.pnas.org/content/118/25/e2024815118