Omicron strain, this unknown. Alert also in Ontario: perhaps anticipate the third doses of vaccine

TORONTO – The whole world is on alert. The new Omicron variant of Covid-19, first identified in South Africa, has been classified as “worrying” by the World Health Organization. From just over 200 new cases confirmed per day in recent weeks, South Africa has seen the number of new daily cases rise to more than 3,200 on Saturday, most in Gauteng.