The so-called "Stealth Omicron" strain now accounts for about 35 percent of new COVID cases in the United States, according to the Centers for Disease Control & Prevention (CDC).
Those infected with the BA.2 subvariant have been mainly reporting symptoms common to Omicron, NBC News reported. They are:
- Cough
- Fatigue
- Congestion
- Runny nose
In addition, dizziness that may come and go during the day has been reported among those infected with the BA.2 sub-variant.
The BA.2 subvariant has a faster rate of transmission than BA.1, the original Omicron strain, experts say, but it's not believed to cause more severe illness.
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