We are now in our third year of living with Coronavirus, and with infection rates of the highly contagious Omicron variant surging worldwide, we are facing more challenges. In the US, President Biden has announced that more at-home COVID tests and high-quality masks will be made available for all in an effort to keep businesses and schools to open. But, will these health measures go far enough to bring Omicron under control? Epidemiologist Jay Varma shares his view.