With the tool, communities are assigned low, medium, or high levels.
So far, there is no indication the variant causes more severe disease.
That means that, in addition to staying up-to-date with their vaccines, people were advised to practice such strategies as washing hands, wearing masks, and maintaining a physical distance from one another, especially when indoors in places where there was substantial or high transmission.
Even though the study looked at three times as many people with Omicron, none of them needed to go on a ventilator in the hospital — compared to 11 in the far smaller group with Delta.
And it enables The Times of Israel to remain the place readers across the globe turn to for accurate news about Israel's relationship with the world.
Also, infected vaccinated people could spread the virus to others, although likely they were infectious for a shorter time.