Well, here's your first link: https://www.thelancet.com/journals/laninf/article/PIIS1473-3...

It says nothing remotely conclusive about 1), 2), or 3). It literally only says "Here's some hypotheses. We need more research."

And I think I'm done wasting my time with you. I've given you ample opportunity come up with something even a tiny fraction as definitive as the references I've given you and you've failed multiple times in a row.