Bulgaria opens green corridors for vaccination against Covid-19 Bulgaria has opened today green corridors for vaccination against Covid-19 without prior registration. The Pfizer/BioNTech Covid-19 mRNA vaccine will be predominantly used..
People waiting to receive a Covid-19 vaccine formed long queues in front of the vaccination centers after this country’s Ministry of Health opened green corridors for vaccination against Covid-19. In Sofia, the University Hospital for Active..
