так все-таки куда подевался дохтор?
https://www.medrxiv.org/content/10.1....24.21262415v1
Conclusions. This study demonstrated that natural immunity confers longer lasting and stronger protection against infection, symptomatic disease and hospitalization caused by the Delta variant of SARS-CoV-2, compared to the BNT162b2 two-dose vaccine-induced immunity (с)





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