Not disputing your source. But EVERYTHING I’ve read up to this point said that it was not communicable until symptoms showed.
I will go back and do some more reading.
Normally you’d be right, but this is a particularly nasty strain. Zaire IIRC, but too tired to verify. In short, it would be hard to design a nastier strain (which is why some speculate it is a weaponized strain, but I don’t concur - nobody is THAT nuts).