There is also a different petition to declare Donald Trump persona non grata in Canada. That is a different petition from this one. The two should not be confused.
(In diplomacy, a persona non grata (Latin: "person not appreciated", plural: personae non gratae) is a foreign person whose entering or remaining in a particular country is prohibited by that country's government.)https://petitions.parl.gc.ca/en/Petition/Details?Petition=e-674
The cause of Multiple Sclerosis (MS), and other neurovascular/neurological conditions, is unknown; ...