Cases of the COVID variant Omicron are spreading throughout the province much faster than the others, taking experts by surprise. The variant has seen doubling cases every three days. At this time, the Delta variant remains the dominant variant, but this is said to likely change within the next few days. To help the slow of the variant, Ontario Chief Medical Officer of Health Dr. Kieran Moore announced opening access of booster doses to everyone over 18 beginning in January.

Source: https://ottawacitizen.com/news/local-news/you-dont-fully-absorb-it-omicrons-spread-across-the-province-is-taking-experts-by-surprise