Possibilitys
1. This plague is the plague of revelations, and a 3rd of the planets population will succumb to it, hence why the elites are shit scared of it and making it a big deal.
2. This plague was released by the elites to cull the older populations, and prevent economic collapse (a large amount of money, in the west at least, is spent paying old people pensions)
3. It's a bioweapon released by the US to teach china a lesson.
4. Chinks released it to blame it on the yanks, and because it's a good excuse to start a war before people realize that china has been cooking the books on its economy.
5. This is overblown in order to get elites, and hollywood types to 'step down' before they are taken down due to adrenochrome.