why did china create this virus, to kill off old people?

They didn't Trump is the one that escalated the whole thing not doing as he's told.

Where did you get that information?

To control the world and that's what they mean to do.

Where did you get that information?

The widely accepted theory is that it came from an animal and mutated, passed on to an intermediate host and then on to humans...  

It didn't

If it were released on purpose, it would be more lethal, and more selective

Expansionist moves to undermine anyone anyone that has been standing in their way been planned for a long time now and the play book is easy to read...

Your guess may be a lot more true.

It wasn't China. It was the aliens. They only wanna feast on healthy,  young and fresh brains...