Correct. They never have in history. Not. One. Time. They do evolve into more contagious but less deadly versions frequently.
However it does really sound like this guy is just speaking about vax trials in general and the process that is followed along the way to approval, and he doesnt have any specific dirty details we may be looking for... remember guys not every doctor on the planet is in on this.
I don’t think he meant that at all, and variants don’t morph into “more powerful viruses” to the best of my knowledge
He did mean that. And yes the vaccine has the capability to make something more dangerous, these things have happened https://www.pbs.org/newshour/science/tthis-chicken-vaccine-makes-virus-dangerous
Correct. They never have in history. Not. One. Time. They do evolve into more contagious but less deadly versions frequently.
However it does really sound like this guy is just speaking about vax trials in general and the process that is followed along the way to approval, and he doesnt have any specific dirty details we may be looking for... remember guys not every doctor on the planet is in on this.
Read freedom2520's post. They do not evolve to something more deadly, however the vaccine can make them more deadly.