“ A booster dose is crucial for the best outcome from a coronavirus infection. No one who has had a third dose has had severe Covid or has died,” Prof. Penka Petrova, director of the Bulgarian Academy of Sciences Institute of Microbiology said for..
With the first days of autumn we will find ourselves at the beginning of a serious Covid-19 wave , immunologist Acad. Bogdan Petrunov said in an interview for the Bulgarian National Radio. He warned that the situation in Bulgaria is very serious...
