Stealth Omicron Now Dominant COVID Variant in U.S.

March 29, 2022

The so-called stealth Omicron variant is now the dominant COVID-19 pressure in the US, in line with data from the U.S. Facilities for Illness Management and Prevention.

Often known as BA.2, the pressure comprised almost 55 p.c of home coronavirus instances for the week ending March 26.

The variant, which has been seen in increased numbers on the East Coast, was solely accountable for 35 p.c of instances through the week ending in March 19 and 22 p.c every week earlier than, in line with the CDC’s COVID Information Tracker.

BA. 2 now accounts for greater than 70 p.c of instances within the Northeast.

The Omicron subvariant is extra contagious than the unique however doesn’t seem to trigger extra extreme illness. BA.2 spreads about 1.5 times faster than the unique Omicron pressure, although it has not elevated hospitalizations or diminished vaccine effectiveness.

The pressure has been detected in excessive numbers all through a number of different international locations, together with Denmark, the UK and India.

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