The poor in Mexico are expendable. Here, we do have medication to contain it. It's the fright they want. It's the panic. They'll have no choice but to legislate Health Care Welfare now - "For our own good."
In order to create a Socialist society, the society in existence has to be destroyed first. Because of chaos, the people will cry out for a savior. Be he God or the Devil - they'll accept him.
The socialist can then rebuild the society in their own image.
If you want to take over a health care system, the system in existence has to be destroyed first. There will be chaos - real, imagined, or manufactured. The people will cry out for a savior, and Health Care Welfare will be put in it's place.
It's all about power and privilege, and they'll keep it no matter what the cost.