site.btaNew Omicron Subvariant Detected in Bulgaria
![New Omicron Subvariant Detected in Bulgaria](/upload/622769/7318347_2403441.jpg?l=1000)
![New Omicron Subvariant Detected in Bulgaria](/upload/622769/7318347_2403441.jpg?l=1000&original=8659596ebaed8b8d3f20aee13acb366a3ac1244c)
The new Omicron subvariant XBB.1 has been detected in Bulgaria, the National Center of Infectious and Parasitic Diseases (NCIPD) said on its website on Friday.
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