Right.
The Zika virus outbreak in 2015-6 was obummer's fault.
The Ebola virus outbreak in 2013-4 was obummer's fault.
The MERS virus outbreak in 2012 was obummer's fault.
The Avian flu outbreak in 2004 was Bush's fault.
The SARS virus outbreak in 2003 was Bush's fault.
If any of this makes sense to you, you need your skates sharpened.
Well they didn't have much world economic impact. They weren't seriously talking about closing schools for those. But. Of course that's not the point.