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A sub-lineage of the omicron coronavirus variant, dubbed BA.2, continues to extend steadily across the globe as scientists and well being officers are nonetheless working to grasp the chance it poses to public well being.
Thus far, the general information has been a mixture. Some current laboratory and animal information have advised that BA.2 may cause extra extreme illness than the unique omicron variant, BA.1. However, to date, that discovering is not bearing out in real-world information. International locations the place BA.2 is dominant aren’t seeing greater charges of extreme illness. And, many locations seeing BA.2 rising are additionally seeing instances decline, together with hospitalizations.
Whereas animal experiments have hinted that BA.2 interacts otherwise to some immune responses than the unique omicron variant, to date real-world vaccine information finds two doses and booster doses are simply as efficient—if not barely simpler—towards BA.2 than BA.1.
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