As for the protective role of vaccines against more aggressive strains, their action would protect people from a more severe course of the disease
In the first week of April, the British variant of the coronavirus was identified in almost all of the 365 samples submitted to the National Centre for Infectious and Parasitic Diseases, Maria Nikolova from the institution clarified for NOVA.

Neither the Brazilian nor the South African variants of the virus have been found in Bulgaria so far, Nikolova specified. 

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She added that in the notorious Romanian mutation, the virus binds more strongly to the cells and this somewhat interferes with the antibodies we have formed against the old variant. 

As for the protective role of vaccines against more aggressive strains, their action would protect people from a more severe course of the disease, Maria Nikolova explained.
nova.bg