This version of the coronavirus, which scientists call BA.2, is considered stealthier than the original Omicron because its somewhat harder to detect. Some scientists worry it could also be more contagious.
World health officials are offering hope that the ebbing of the Omicron wave could usher in a new, more manageable phase of the COVID-19 pandemic
An initial analysis by scientists in Denmark shows no differences in hospitalizations for BA.2 compared with the original Omicron. Scientists there are still looking into this version’s infectiousness and how well current vaccines work against it. It’s also unclear how well treatments will work against it.
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