There is a new dominant strain in America, with the BA 2.12.1 variant overtaking the BA.2 'stealth' variant, the Centers for Disease Control and Prevention () revealed in its weekly update on Tuesday, with the new strain likely behind the rising case figures across the east coast.The strain, which Americans were first alerted of by New York state officials in April, makes up 58 percent of sequenced COVID-19 cases, up from 49 percent of cases the previous week. Revised data from last week shows that it also made up more cases than the stealth variant - at 49 percent compared to BA.2's 48 percent.It is most prevalent in the New York and region of the county, making up nearly 80 percent of cases in the region where it first made ground.
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