That’s a little hysterical. Could millions fall ill? Sure. But millions dead in Iran? Seems like a stretch.
That’s definitely one possible sentence in Medieval Iran. Death by stretching.
Clearly Allah has struck the infidels among them with a disease. Let the faithful among them restore honor to Allah.
Babble about holy Islam yada yada yada Prophet Muhammad (peace be upon him) something something Ayatollahs something, blah blah blah judgment jihad blah blah.
Yeah, that many and more could very predictably die since its Iran and the Ayatollahs needed an excuse to prop up their regime.