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Businesses may choose to keep vaccination requirements in place. Epsilon,Theta, and Zeta were at one point listed as variants of interest and were downgraded by the WHO. The WHO labeled it a “variant under monitoring” in April 2021, meaning some of its characteristics may pose a future risk to humans. As of September 2021, the CDC hadn't escalated Mu to being a variant of interest in the U.S. The agency intends to keep tracking it along with the other variants. In the U.S., the CDC says Mu reached a peak in June 2021, when it made up less than 5% of variants going around the country. How To Protect Yourself From Covid FDA authorizes booster dose of Pfizer-BioNTech COVID-19 vaccine for certain populations. Try to focus on staying calm and following your doctor’s instructions if you’re diagnosed with COVID-19, so you can recover and help prevent the transmission of the 2019 coronavirus. The 2019 coronavirus can seem scary when you read the news about deaths, quarantines, and trav