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BA.4 sub-variant of Omicron detected in Bulgaria

published on 7/19/22 3:15 PM

Photo: Pixabay

Omicron sub-variant BA.4 has been identified for the first time in Bulgaria, the National Centre for Infectious and Parasitic Diseases has announced.

So far, the sub-variant has been detected in Sofia city and in the Burgas region. Meanwhile, the number of cases with the faster-spreading sub-variant BA.5 is increasing. While in June it was nearly 38% of samples, this month it exceeds 68%. BA.5 is most prevalent in Burgas and Varna districts, followed by Sofia district.

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Radio Bulgaria News BA.4 BA.5 Omicron

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