The Bulgarian National Center for Infectious and Parasitic Diseases (NCIPD) said it had completed sequencing 552 samples from Covid-19 patients in the country and found 548 cases of the Delta variant.
The samples were taken from August 15 to September 2 and came from 26 of the 28 counties in Bulgaria. This included three samples from foreigners, although NCIPD did not make it clear whether the people tested were permanent residents, tourists, or passing through.
By September 1-3, 28 patients identified by sequencing as having the Delta variant had died, 85 were hospitalized, 401 were being treated at home, and 34 had recovered.
The other four samples were one case of the alpha variant and three cases of the coronavirus strain C.36.3.1, which the World Health Organization is currently running designated as an “alarm for further monitoring” below the status “interesting variant” or “worrying variant”. According to the WHO designation, the Delta strain is one of four current “questionable variants”.
The patient with the alpha variant had died and the three patients with the C.36.3.1 strain were treated at home September 1-3, NCIPD said.
Most of the samples of the Delta variant came from the districts of Burgas (72), Varna (69), Turgovishte (61), Stara Zagora (51) and the city of Sofia (51).
Of the three samples of foreigners, two came from the Varna district and one from the Sofia district. All three samples had the delta variant.
(Photo: Military Medical Academy)
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