On November 26, 2021, the World Health Organization (WHO) declared the new COVID B.1.1.529 variant, named Omicron, a variant of concern because it has a large number of mutations and preliminary evidence suggests an increased risk of reinfection and spread across the world, including to the United States. As of November 30, 2021, zero specimens processed within the Milwaukee … [Read more...] about Advisory: From The City Of Milwaukee Commissioner Of Health