True.
If it were just one insertion in the spike protein I’d be less likely to believe it weren’t natural.
2 insertions, still...but spidey sense activated...
3, now you’re cooking with gas...
4?!. odds are teeny.
combined with the fact that wuhan has a bl4 lab?
ya. like my kiddo telling me once she had no idea what happened to the chocolate chips...while covered with chocolate.
No.
Polymorphism so like this are normal.
Compare any proteins and this sort of thing crops up.
Most are silent.
Are you considering recombination in a lab could account for it?