All four who died of Covid-19 yesterday in Bulgaria were not vaccinated

In the past 24 hours, 287 cases of coronavirus have been detected out of 5013 tests carried out, Single Coronavirus Information Portal data show.
Nearly 6% of the tests came back positive. 68% of the newly infected have not been vaccinated. The highest number of new cases was in Sofia - 130, in Stara Zagora - 15, and in Varna and Burgas - 14 each.
There are 889 patients in hospital - 109 of them in intensive care. 74% of the 23 new admissions have not been vaccinated. Four people have died - all of them were not immunized, while 143 have recovered. Active cases stand at 156 264.
Yesterday, 89 doses of coronavirus vaccine were administered. There are 2 054 591 people with completed immunization. 742 276 have had a booster dose.