Covid-19 gone? Oh no it isn't — and there's a new variant in town

Professor Breda Smyth receiving her vaccine from pharmacist Stephen Bradley. Picture: Maxwell’s

We all may have thought covid-19 was off the agenda as something to worry about this Christmas, but then the World Health Organization (WHO) piped up "oh no, it isn’t" with news of another new covid variant. 

So how worried should we be?