March 29, 2022
The so-called stealth Omicron variant is now the dominant COVID-19 strain in the U.S., according to reports data From the U.S. Centers for Disease Control and Prevention.
The strain, also known as BA.2, accounted for nearly 55% of domestic coronavirus cases in the week ended March 26.
According to the CDC’s COVID data tracker, the variant had a higher number of cases on the East Coast, accounting for only 35% of cases in the week ended March 19, compared with 22% in the previous week.
Bachelor’s degree. 2 Now accounts for more than 70% of cases in the Northeast.
The Omicron sub-variant is more contagious than the original variant, but does not appear to cause more severe disease. BA.2 Spread about 1.5 times faster than the original Omicron strain, although it did not increase hospitalizations or reduce vaccine efficacy.
The strain has also been detected in large numbers in several other countries, including Denmark, the UK and India.