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The Variants <br />•Currently in the United States, there are four notable variants: <br />–B.1.1.7 (Alpha): This variant was first detected in the United States <br />in December 2020. It was initially detected in the United Kingdom. <br />–B.1.351 (Beta): This variant was first detected in the United States <br />at the end of January 2021. It was initially detected in South Africa <br />in December 2020. <br />–P.1 (Gamma): This variant was first detected in the United States in <br />January 2021. P.1 was initially identified in travelers from Brazil, <br />who were tested during routine screening at an airport in Japan, in <br />early January. <br />–B.1.617.2 (Delta): This variant was first detected in the United <br />States in March 2021.It was initially identified in India in <br />December 2020. <br />COVID-19 Update <br />City Manager’s Office <br />Slide 4 <br />July 20, 2021 <br /> <br />