It is causal.
It was RARE before Obama’s DH”S” movement of
the infected in January.l
IT WAS RARE.
Now it is everywhere, and temporally and spatially
correlated.
[How are things at the WHite House, steve 86? ]
But it was RARE, in fact more RARE where those kids came from. So it is just as likely there was something here that sparked the outbreak.