Why you should still try to avoid catching Omicron

A fast-spreading Omicron variant that causes milder illness compared with previous versions of the coronavirus has fueled the view that Covid-19 poses less of a risk than in the past.

In which case, some ask, why go to great lengths to prevent getting infected now, since everybody will be exposed to the virus sooner or later?

Here is why experts say it is not time to be complacent...