No I don't know that, they say that, but then they say a whole lot of things that they then turn around and back track on.
Now we are back to wearing masks inside even if you have been vaccinated because it's possible you could still carry it. This is after they said we didn't need too, which was a flip that we did need too.
They can tell us anything they want, doesn't mean all of it is true or accurate, and as we've discovered with a guy like Faucci they can deliberately lie and have no qualms about it.
I listen and learn about a lot of things all the time, doesn't mean it will all hold up over time. I mean remember when the lab leak theory would get you banned on Facebook, and derided as crazy Trump talk, silly, an idiot for believing it could be true? Yeah good times.