site.btaCOVID FliRT Sub-Variants Identified in Bulgaria

According to preliminary data, sub-variants of the FLiRT variant of COVID Omicron have been identified in Bulgaria, the head of the National Centre of Infectious and Parasitic Diseases, Prof. Iva Hristova, told BTA. In her words, the BA2.86 sub-variant, which has spread rapidly, has split into several other sub-variants and they altogether are called FLiRT. The name FLiRT is a combination of the first letters of the altered amino acids, Prof. Hristova explained.