One reason not to pin hopes on closing the border to Africa.
Reading some of this stuff regarding this NU variant it seems like there's a certain inevitability of this as though they've been waiting on a new phase of the pandemic and it's here now, the only worry is will it be ramped up to another level by this variant and will we look back on the past 18months as benign and a walk in the park as to what's to to come?