Despite the decline in the incidence of COVID-19, the global pandemic is not over yet [7].
The aim of the work is a comparative assessment of the effectiveness of vaccines from different manufacturers as the 2nd booster dose against COVID-19.
Despite the decline in the incidence of COVID-19, the global pandemic is not over yet [7].
The aim of the work is a comparative assessment of the effectiveness of vaccines from different manufacturers as the 2nd booster dose against COVID-19.
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